2025 Topps Series 1 Baseball - Team Sets, Inserts & Checklist Guide

2025 Topps Series 1 Overview

2025 Topps Series 1 Baseball opens the flagship year - the cornerstone base set that the whole Topps calendar is built on. The base checklist blankets all 30 clubs and every projected star and top rookie, led by Shohei Ohtani, Aaron Judge and Bobby Witt Jr., with a 35th-anniversary 1990 Topps insert running throughout. Below is the complete guide and checklist, with a hand-collated team set available for every club right here.

Jump to: Team Sets · Base Checklist · Variations · Insert Sets · Parallels · Autographs

2025 Topps Series 1 Team Sets

Shop any club's hand-collated team set (30 of 30 available):

Team	Set	Cards	Price
Arizona Diamondbacks	2025 Topps Series 1 Arizona Diamondbacks Team Set	13	$7.00
Athletics	2025 Topps Series 1 Athletics Team Set	8	$6.00
Atlanta Braves	2025 Topps Series 1 Atlanta Braves Team Set	13	$8.00
Baltimore Orioles	2025 Topps Series 1 Baltimore Orioles Team Set	10	$8.00
Boston Red Sox	2025 Topps Series 1 Boston Red Sox Team Set	9	$8.00
Chicago Cubs	2025 Topps Series 1 Chicago Cubs Team Set	8	$9.00
Chicago White Sox	2025 Topps Series 1 Chicago White Sox Team Set	9	$6.00
Cincinnati Reds	2025 Topps Series 1 Cincinnati Reds Team Set	13	$8.50
Cleveland Guardians	2025 Topps Series 1 Cleveland Guardians Team Set	11	$6.00
Colorado Rockies	2025 Topps Series 1 Colorado Rockies Team Set	12	$6.00
Detroit Tigers	2025 Topps Series 1 Detroit Tigers Team Set	13	$9.00
Houston Astros	2025 Topps Series 1 Houston Astros Team Set	11	$7.00
Kansas City Royals	2025 Topps Series 1 Kansas City Royals Team Set	8	$6.00
Los Angeles Angels	2025 Topps Series 1 Los Angeles Angels Team Set	9	$6.00
Los Angeles Dodgers	2025 Topps Series 1 Los Angeles Dodgers Team Set	11	$9.50
Miami Marlins	2025 Topps Series 1 Miami Marlins Team Set	8	$6.00
Milwaukee Brewers	2025 Topps Series 1 Milwaukee Brewers Team Set	9	$7.50
Minnesota Twins	2025 Topps Series 1 Minnesota Twins Team Set	12	$7.00
New York Mets	2025 Topps Series 1 New York Mets Team Set	10	$7.00
New York Yankees	2025 Topps Series 1 New York Yankees Team Set	12	$12.00
Philadelphia Phillies	2025 Topps Series 1 Philadelphia Phillies Team Set	9	$9.00
Pittsburgh Pirates	2025 Topps Series 1 Pittsburgh Pirates Team Set	8	$9.00
San Diego Padres	2025 Topps Series 1 San Diego Padres Team Set	10	$7.00
San Francisco Giants	2025 Topps Series 1 San Francisco Giants Team Set	9	$7.00
Seattle Mariners	2025 Topps Series 1 Seattle Mariners Team Set	11	$7.00
St. Louis Cardinals	2025 Topps Series 1 St. Louis Cardinals Team Set	11	$7.50
Tampa Bay Rays	2025 Topps Series 1 Tampa Bay Rays Team Set	8	$6.00
Texas Rangers	2025 Topps Series 1 Texas Rangers Team Set	9	$7.00
Toronto Blue Jays	2025 Topps Series 1 Toronto Blue Jays Team Set	11	$6.00
Washington Nationals	2025 Topps Series 1 Washington Nationals Team Set	10	$10.00

Base Set Checklist (1-350)

The full 370-card base checklist. Click any team to shop that club's team set.

#	Player	Team	#	Player	Team
1	Shohei Ohtani	Los Angeles Dodgers	174	Mark Vientos	New York Mets
2	Thairo Estrada	San Francisco Giants	175	Ha-Seong Kim	San Diego Padres
3	Lane Thomas	Cleveland Guardians	176	Teoscar Hernández	Los Angeles Dodgers
4	Christian Encarnacion-Strand	Cincinnati Reds	177	Kyle Harrison San Francisco Giants Future Stars
5	Tarik Skubal Detroit Tigers League Leaders		178	David Festa RC	Minnesota Twins
5	Ronel Blanco Houston Astros League Leaders		179	Ryan Pepiot	Tampa Bay Rays
5	Framber Valdez Houston Astros League Leaders		180	Colt Keith	Detroit Tigers
6	Tyler Gentry RC	Kansas City Royals	181	James Wood RC	Washington Nationals
7	Alec Bohm	Philadelphia Phillies	182	Brandon Pfaadt	Arizona Diamondbacks
8	Seth Brown	Athletics	183	Taj Bradley	Tampa Bay Rays
9	Luis García Jr.	Washington Nationals	184	Aaron Judge New York Yankees Combo Card/Checklist
10	Connor Wong	Boston Red Sox	185	Jazz Chisholm Jr.	New York Yankees
11	Triston Casas	Boston Red Sox	186	Mike Yastrzemski	San Francisco Giants
12	Bailey Ober	Minnesota Twins	187	Gerrit Cole	New York Yankees
13	Luis De Los Santos RC	Toronto Blue Jays	188	Zach Eflin	Baltimore Orioles
14	Anthony Rizzo	New York Yankees	189	Luis Robert Jr.	Chicago White Sox
15	Mitch Haniger	Seattle Mariners	190	Miguel Vargas	Chicago White Sox
16	Carlos Rodriguez RC	Milwaukee Brewers	191	Adael Amador RC	Colorado Rockies
17	Jack Kochanowicz RC	Los Angeles Angels	192	Tyler Locklear RC	Seattle Mariners
18	Orelvis Martinez RC	Toronto Blue Jays	193	Michael McGreevy RC	St. Louis Cardinals
19	Xander Bogaerts	San Diego Padres	194	Brayan Rocchio	Cleveland Guardians
20	Coby Mayo RC	Baltimore Orioles	195	Michael King	San Diego Padres
21	Nick Lodolo	Cincinnati Reds	196	Aaron Schunk RC	Colorado Rockies
22	Masyn Winn	St. Louis Cardinals	197	Jake Irvin	Washington Nationals
23	Jorge Soler	Atlanta Braves	198	Pete Fairbanks	Tampa Bay Rays
24	Jhonkensy Noel RC	Cleveland Guardians	199	David Hamilton	Boston Red Sox
25	Cade Povich RC	Baltimore Orioles	200	Mike Trout	Los Angeles Angels
26	Will Brennan Cleveland Guardians Combo Card/Checklist		201	Tyler Glasnow	Los Angeles Dodgers
27	Angel Martínez RC	Cleveland Guardians	202	Keibert Ruiz	Washington Nationals
28	Trevor Megill	Milwaukee Brewers	203	Lars Nootbaar	St. Louis Cardinals
29	José Ramírez Cleveland Guardians League Leaders		204	Justin Wrobleski RC	Los Angeles Dodgers
29	Aaron Judge New York Yankees League Leaders		205	Rhett Lowder RC	Cincinnati Reds
29	Brent Rooker Athletics League Leaders		206	Seth Lugo	Kansas City Royals
30	Pedro León RC	Houston Astros	207	Ronald Acuña Jr.	Atlanta Braves
31	Tyler Stephenson	Cincinnati Reds	208	Jacob deGrom	Texas Rangers
32	Chayce McDermott RC	Baltimore Orioles	209	Taylor Ward	Los Angeles Angels
33	José Berríos	Toronto Blue Jays	210	Nolan Schanuel Angels Future Stars
34	Detroit Tigers Detroit Tigers Team Card		211	Jo Adell	Los Angeles Angels
35	Anthony Volpe	New York Yankees	212	Will Smith	Los Angeles Dodgers
36	Greg Jones RC	Colorado Rockies	213	Grant McCray RC	San Francisco Giants
37	Spencer Steer	Cincinnati Reds	214	Tommy Edman	Los Angeles Dodgers
38	Nico Hoerner	Chicago Cubs	215	Manny Machado	San Diego Padres
39	San Diego Padres San Diego Padres Team Card		216	Hunter Greene	Cincinnati Reds
40	Joe Ryan	Minnesota Twins	217	Rece Hinds RC	Cincinnati Reds
41	Alec Burleson	St. Louis Cardinals	218	Zack Wheeler	Philadelphia Phillies
42	Andrew McCutchen	Pittsburgh Pirates	219	LaMonte Wade Jr.	San Francisco Giants
43	Brady Singer	Kansas City Royals	220	Jackson Holliday Baltimore Orioles Future Stars
44	Brenton Doyle	Colorado Rockies	221	Matt Chapman	San Francisco Giants
45	Brice Turang	Milwaukee Brewers	222	Mauricio Dubón	Houston Astros
46	Tanner Houck	Boston Red Sox	223	Nacho Alvarez Jr. RC	Atlanta Braves
47	Blake Perkins	Milwaukee Brewers	224	Reese Olson	Detroit Tigers
48	Michael Toglia	Colorado Rockies	225	Tyrone Taylor	New York Mets
49	Christian Yelich	Milwaukee Brewers	226	Adrian Del Castillo RC	Arizona Diamondbacks
50	Leody Taveras	Texas Rangers	227	Ty France	Cincinnati Reds
51	Jonah Heim	Texas Rangers	228	Geraldo Perdomo	Arizona Diamondbacks
52	Will Benson	Cincinnati Reds	229	Erick Fedde	St. Louis Cardinals
53	Chris Taylor	Los Angeles Dodgers	230	Colton Cowser	Baltimore Orioles
54	Austin Riley	Atlanta Braves	231	Yoshinobu Yamamoto Los Angeles Dodgers Future Stars
55	Jake Rogers	Detroit Tigers	232	Jake Cronenworth	San Diego Padres
56	Ranger Suárez	Philadelphia Phillies	233	Brandon Marsh	Philadelphia Phillies
57	Nick Gordon	Miami Marlins	234	Zack Wheeler Philadelphia Phillies League Leaders
58	Dylan Cease	San Diego Padres	234	Chris Sale Atlanta Braves League Leaders
59	Royce Lewis	Minnesota Twins	234	Shota Imanaga Chicago Cubs League Leaders
60	Chicago Cubs Chicago Cubs Team Card		235	Gabriel Moreno	Arizona Diamondbacks
61	Freddy Peralta	Milwaukee Brewers	236	Christopher Morel	Tampa Bay Rays
62	Jon Gray	Texas Rangers	237	Marcell Ozuna Atlanta Braves Combo Card/Checklist
63	Jake Bloss RC	Toronto Blue Jays	238	JJ Bleday	Athletics
64	Ian Happ	Chicago Cubs	239	Freddie Freeman	Los Angeles Dodgers
65	Gunnar Henderson	Baltimore Orioles	240	Will Brennan	Cleveland Guardians
66	Logan Gilbert	Seattle Mariners	241	Ryan Helsley	St. Louis Cardinals
67	Trey Sweeney RC	Detroit Tigers	242	Logan Webb	San Francisco Giants
68	Hunter Feduccia RC	Los Angeles Dodgers	243	Jake McCarthy	Arizona Diamondbacks
69	Cedric Mullins	Baltimore Orioles	244	Yordan Alvarez	Houston Astros
70	Patrick Bailey	San Francisco Giants	245	Abraham Toro	Athletics
71	Tarik Skubal	Detroit Tigers	246	Sean Reynolds RC	San Diego Padres
72	Tyler Soderstrom Athletics Future Stars		247	Adolis García	Texas Rangers
73	Luis Castillo	Seattle Mariners	248	Ke'Bryan Hayes	Pittsburgh Pirates
74	Dylan Crews RC	Washington Nationals	249	Brooks Baldwin RC	Chicago White Sox
75	Colin Rea	Milwaukee Brewers	250	Bryce Harper	Philadelphia Phillies
76	Houston Astros Houston Astros Team Card		251	Ryan Bliss RC	Seattle Mariners
77	José Ramírez	Cleveland Guardians	252	Pedro Pagés	St. Louis Cardinals
78	Corbin Carroll	Arizona Diamondbacks	253	Hurston Waldrep RC	Atlanta Braves
79	Aaron Judge New York Yankees League Leaders		254	Kyle Finnegan	Washington Nationals
79	Juan Soto New York Yankees League Leaders		255	Andy Pages Los Angeles Dodgers Combo Card/Checklist
79	Anthony Santander Baltimore Orioles League Leaders		256	Jake Cave	Colorado Rockies
80	Jace Jung RC	Detroit Tigers	257	Korey Lee	Chicago White Sox
81	Carlos Correa Minnesota Twins Combo Card/Checklist		258	Xavier Edwards	Miami Marlins
82	George Springer	Toronto Blue Jays	259	Nathaniel Lowe	Texas Rangers
83	Anthony Rendon	Los Angeles Angels	260	Jose Altuve	Houston Astros
84	Kameron Misner RC	Tampa Bay Rays	261	Mike Tauchman	Chicago Cubs
85	Angels Angels Team Card		262	Giancarlo Stanton	New York Yankees
86	Willy Adames Milwaukee Brewers League Leaders		263	Michael Busch	Chicago Cubs
86	Shohei Ohtani Los Angeles Dodgers League Leaders		264	Boston Red Sox Boston Red Sox Team Card
86	Manny Machado San Diego Padres League Leaders		265	Ryan Thompson	Arizona Diamondbacks
87	Shay Whitcomb RC	Houston Astros	266	Julio Rodríguez	Seattle Mariners
88	Kevin Gausman	Toronto Blue Jays	267	Chris Bassitt	Toronto Blue Jays
89	Zach Dezenzo RC	Houston Astros	268	Marcus Stroman	New York Yankees
90	Eloy Jiménez	Baltimore Orioles	269	Justyn-Henry Malloy RC	Detroit Tigers
91	Kenta Maeda	Detroit Tigers	270	Andrés Giménez	Cleveland Guardians
92	Danny Jansen	Boston Red Sox	271	Josh Hader	Houston Astros
93	Rhys Hoskins	Milwaukee Brewers	272	Chris Sale Atlanta Braves League Leaders
94	Nick Sogard RC	Boston Red Sox	272	Zack Wheeler Philadelphia Phillies League Leaders
95	Gavin Sheets	Chicago White Sox	272	Shota Imanaga Chicago Cubs League Leaders
96	Seattle Mariners Seattle Mariners Team Card		273	River Ryan RC	Los Angeles Dodgers
97	Will Warren RC	New York Yankees	274	Blake Dunn RC	Cincinnati Reds
98	Paul Skenes	Pittsburgh Pirates	275	Carlos Correa	Minnesota Twins
99	Cincinnati Reds Cincinnati Reds Team Card		276	Jarred Kelenic	Atlanta Braves
100	Bobby Witt Jr.	Kansas City Royals	277	Jung Hoo Lee	San Francisco Giants
101	Nolan Arenado	St. Louis Cardinals	278	Niko Kavadas RC	Los Angeles Angels
102	Jonathan India	Cincinnati Reds	279	Trevor Larnach	Minnesota Twins
103	Spencer Schwellenbach RC	Atlanta Braves	280	Ky Bush RC	Chicago White Sox
104	Yilber Diaz RC	Arizona Diamondbacks	281	Corey Seager	Texas Rangers
105	Dylan Moore	Seattle Mariners	282	Zach Neto	Los Angeles Angels
106	Lawrence Butler	Athletics	283	Zebby Matthews RC	Minnesota Twins
107	Ryan Mountcastle	Baltimore Orioles	284	Oneil Cruz	Pittsburgh Pirates
108	Mitch Keller	Pittsburgh Pirates	285	Rafael Devers	Boston Red Sox
109	Cristopher Sánchez	Philadelphia Phillies	286	Edwin Díaz	New York Mets
110	Atlanta Braves Atlanta Braves Team Card		287	DJ Herz RC	Washington Nationals
111	Randy Arozarena	Seattle Mariners	288	Evan Carter Texas Rangers Future Stars
112	Rob Refsnyder	Boston Red Sox	289	Michael Siani	St. Louis Cardinals
113	Marco Gonzales	Pittsburgh Pirates	290	Pete Crow-Armstrong Chicago Cubs Future Stars
114	Ryan O'Hearn	Baltimore Orioles	291	Taylor Walls Tampa Bay Rays Combo Card/Checklist
115	Carlos Narváez RC	New York Yankees	292	Clay Holmes	New York Yankees
116	Amed Rosario	Cincinnati Reds	293	Tyler Phillips RC	Philadelphia Phillies
117	Josh Jung	Texas Rangers	294	Tampa Bay Rays Tampa Bay Rays Team Card
118	Justin Verlander	Houston Astros	295	Elly De La Cruz Cincinnati Reds Combo Card/Checklist
119	Daulton Varsho	Toronto Blue Jays	296	Drew Romo RC	Colorado Rockies
120	Cristian Mena RC	Arizona Diamondbacks	297	Corbin Carroll Arizona Diamondbacks Combo Card/Checklist
121	Andrew Vaughn	Chicago White Sox	298	J.P. Crawford	Seattle Mariners
122	CJ Abrams	Washington Nationals	299	Yainer Diaz	Houston Astros
123	New York Yankees New York Yankees Team Card		300	Aaron Judge	New York Yankees
124	Richie Palacios	Tampa Bay Rays	301	Cal Quantrill	Colorado Rockies
125	Jackson Merrill	San Diego Padres	302	Los Angeles Dodgers Los Angeles Dodgers Team Card
126	Dillon Dingler RC	Detroit Tigers	303	Dansby Swanson	Chicago Cubs
127	Joc Pederson	Arizona Diamondbacks	304	Raisel Iglesias	Atlanta Braves
128	Ketel Marte	Arizona Diamondbacks	305	Max Schuemann	Athletics
129	Brent Rooker	Athletics	306	Sonny Gray	St. Louis Cardinals
130	Nathan Eovaldi	Texas Rangers	307	Jeremy Peña	Houston Astros
131	David Peterson	New York Mets	308	Logan O'Hoppe	Los Angeles Angels
132	Connor Norby RC	Miami Marlins	309	Adam Mazur RC	Miami Marlins
133	José Caballero	Tampa Bay Rays	310	Jose Miranda	Minnesota Twins
134	Jameson Taillon	Chicago Cubs	311	Charlie Blackmon	Colorado Rockies
135	Maikel Garcia	Kansas City Royals	312	Jarren Duran Boston Red Sox Combo Card/Checklist
136	Lourdes Gurriel Jr.	Arizona Diamondbacks	313	Cody Bellinger	Chicago Cubs
137	Miles Mikolas	St. Louis Cardinals	314	Jacob Wilson RC	Athletics
138	Isaac Paredes	Chicago Cubs	315	Casey Mize	Detroit Tigers
139	Jordan Beck	Colorado Rockies	316	Chris Sale	Atlanta Braves
140	Andrew Abbott	Cincinnati Reds	317	Brooks Lee RC	Minnesota Twins
141	Kyle Schwarber	Philadelphia Phillies	318	Joey Cantillo RC	Cleveland Guardians
142	Jordan Westburg Baltimore Orioles Future Stars		319	Ernie Clement	Toronto Blue Jays
143	Manny Machado San Diego Padres Combo Card/Checklist		320	Drew Thorpe RC	Chicago White Sox
144	Shohei Ohtani Los Angeles Dodgers League Leaders		321	Luis Gil	New York Yankees
144	Marcell Ozuna Atlanta Braves League Leaders		322	Josh Naylor	Cleveland Guardians
144	Kyle Schwarber Philadelphia Phillies League Leaders		323	Yu Darvish	San Diego Padres
145	Matt Olson	Atlanta Braves	324	Masataka Yoshida	Boston Red Sox
146	Clayton Kershaw	Los Angeles Dodgers	325	Travis d'Arnaud	Atlanta Braves
147	Bryson Stott	Philadelphia Phillies	326	Emmanuel Clase	Cleveland Guardians
148	Ceddanne Rafaela Boston Red Sox Future Stars		327	Bryan Woo	Seattle Mariners
149	Jeff McNeil	New York Mets	328	Eugenio Suárez	Arizona Diamondbacks
150	Elly De La Cruz Cincinnati Reds Future Stars		329	Paul Blackburn	New York Mets
151	Tarik Skubal Detroit Tigers League Leaders		330	Jake Burger	Miami Marlins
151	José Berríos Toronto Blue Jays League Leaders		331	Brandon Nimmo	New York Mets
151	Seth Lugo Kansas City Royals League Leaders		332	Riley Greene	Detroit Tigers
152	Luis Rengifo	Los Angeles Angels	333	Bryan De La Cruz	Pittsburgh Pirates
153	Brandon Lowe	Tampa Bay Rays	334	MacKenzie Gore	Washington Nationals
154	Orlando Arcia	Atlanta Braves	335	Sandy Alcantara	Miami Marlins
155	Willi Castro	Minnesota Twins	336	Jorge Alcala	Minnesota Twins
156	Marco Luciano	San Francisco Giants	337	Ben Rice RC	New York Yankees
157	Jesús Sánchez	Miami Marlins	338	Mitch Garver	Seattle Mariners
158	Shea Langeliers	Athletics	339	Ryan Jeffers	Minnesota Twins
159	Philadelphia Phillies Philadelphia Phillies Team Card		340	Miami Marlins Miami Marlins Team Card
160	Marcell Ozuna	Atlanta Braves	341	Ronel Blanco	Houston Astros
161	Bradley Blalock RC	Colorado Rockies	342	Davis Schneider	Toronto Blue Jays
162	Tanner Scott	San Diego Padres	343	Ezequiel Tovar	Colorado Rockies
163	Vladimir Guerrero Jr.	Toronto Blue Jays	344	Andrew Benintendi	Chicago White Sox
164	Tanner Bibee	Cleveland Guardians	345	Vladimir Guerrero Jr. Toronto Blue Jays League Leaders
165	Joey Ortiz	Milwaukee Brewers	345	Aaron Judge New York Yankees League Leaders
166	Matt Vierling	Detroit Tigers	345	Bobby Witt Jr. Kansas City Royals League Leaders
167	Andrés Chaparro RC	Washington Nationals	346	Freddy Fermin	Kansas City Royals
168	Connor Joe	Pittsburgh Pirates	347	Shohei Ohtani Los Angeles Dodgers League Leaders
169	Cole Ragans	Kansas City Royals	347	Luis Arraez San Diego Padres League Leaders
170	Baltimore Orioles Baltimore Orioles Team Card		347	Marcell Ozuna Atlanta Braves League Leaders
171	Francisco Alvarez	New York Mets	348	Brant Hurter RC	Detroit Tigers
172	Otto Lopez	Miami Marlins	349	Vinnie Pasquantino	Kansas City Royals
173	Starling Marte	New York Mets	350	Francisco Lindor	New York Mets

Base Variations & Short Prints

Alternate-photo and short-print versions of the base cards.

• Golden Mirror Image Variations - 371 cards

Insert Sets

Parallels

• Base
• Rainbow Foil
• Gold Foil
• Royal Blue
• Gold /2025
• Vintage Stock /99
• Independence Day /76
• Father's Day (Powder Blue) /50
• Black /73
• Red /5
• Platinum 1/1
• Printing Plates 1/1
• Golden Mirror Image Variation (SSP)

Autographs & Relics

Series 1's on-card autographs headline the hobby boxes, from Baseball Stars Autographs to the Real One signatures. Full autograph checklists below.

• 1990 Topps Baseball Autograph Cards - 201 cards
• Baseball Stars Triple Autographs - 120 cards
• Baseball Stars Autographs - 102 cards
• 1990 Topps Baseball Relics - 99 cards
• 1990 Topps Baseball Chrome Autographs - 92 cards
• Baseball Stars Dual Autographs - 88 cards
• Major League Material Cards - 82 cards
• 2025 Topps Flagship Autograph Patch Cards - 71 cards
• In The Name Relics - 65 cards
• Major League Material Dual Relic Cards - 60 cards
• Major League Material Autograph Cards - 50 cards
• Flagship Real One Autograph Cards - 47 cards
• Major League Material Dual Autograph Cards - 38 cards
• City Connect Swatch Collection - 36 cards
• Real One Relics - 28 cards
• The Big Hurt Autograph Variation - 26 cards
• City Connect Swatch Collection Autograph Relic - 24 cards
• Heavy Lumber Autograph Relics - 23 cards
• Rickwood Relic Collection - 16 cards
• Rickwood Autograph Relic Collection - 11 cards
• Trading Card Enamel Pins - 10 cards
• 2024 First Pitch Autographs - 9 cards
• Signature Tunes Dual Autographs - 6 cards
• Larry David Autograph Card - 2 cards

Guides

• The Best Rookie Cards in 2025 Topps Series 1
• Every 2025 Topps Series 1 Insert Set, Explained
• The Top Cards to Chase in 2025 Topps Series 1