Britain's Got Talent
Judges

Series
Main Judge
Main Judge
Main Judge
Main Judge
Guest Judge
Series
1
2
3
4
Guest Judge
1
Simon Cowell
Amanda Holden
Piers Morgan
N/A
N/A
2
Simon Cowell
Amanda Holden
Piers Morgan
N/A
N/A
3
Simon Cowell
Amanda Holden
Piers Morgan
N/A
Kelly Brook
4
Simon Cowell
Amanda Holden
Piers Morgan
N/A
Louis Walsh
5
Simon Cowell
Amanda Holden
Michael Mcintyre
David Hasselhoff
Louis Walsh
6
Simon Cowell
Amanda Holden
Alesha Dixon
David Walliams
Carmen Electra
7
Simon Cowell
Amanda Holden
Alesha Dixon
David Walliams
N/A
8
Simon Cowell
Amanda Holden
Alesha Dixon
David Walliams
Ant & Dec
9
Simon Cowell
Amanda Holden
Alesha Dixon
David Walliams
N/A
10
Simon Cowell
Amanda Holden
Alesha Dixon
David Walliams
Kathleen Walliams
11
Simon Cowell
Amanda Holden
Alesha Dixon
David Walliams
N/A
12
Simon Cowell
Amanda Holden
Alesha Dixon
David Walliams
N/A
13
Simon Cowell
Amanda Holden
Alesha Dixon
David Walliams
N/A

Question: Who were the Britain's Got Talent judges for the first four series?
Answer: Britain's Got Talent judges for the first four series were Simon Cowell, Amanda Holden, and Piers Morgan.