Collection is very limited. Please inquire.

Hugh Downs version (NBC: 1950s-60s)

• 1963-09-11 - Challenge of Champions

Alex Trebek version (NBC: 1987-91)

• • 1987-05-04 - Series premiere

  • 1987-06-02

  • 1987-06-03

  • 1987-06-04

  • 1987-06-05

  • 1988-08-08 - Debut of the best-2-out-of-3 Format

  • 1990-02-06

  • 1991-04-03

  • 1991-??-?? - Ben makes a huge mistake in the Winners Circle trying to go for more prizes instead of going for the car

Australian version

• 1997-??-??