Season
Season 6 Episode
- Season 4 Dara O'Briain, Davina McCall, Jessica Hynes
- Season 4 Sara Cox, Gregg Wallace, Rhod Gilbert
- Season 4 Warwick Davis, Josh Widdicombe, Lorraine Kelly
- Season 4 Katherine Ryan, Hugh Dennis, Amir Khan
- Season 4 Len Goodman, Jimmy Carr, Gabby Logan
- Season 4 Bob Mortimer, Alex Brooker, Claudia Winkleman
- Season 4 Catherine Tate, Richard Osman, Kate Humble
- Season 4 Best of Season 4
Duck Quacks Don't Echo - Season 4 Episode 4 Katherine Ryan, Hugh Dennis, Amir Khan
5.70 45 minutes Lee Mack hosts the comedy panel game, with guests Katherine Ryan, Hugh Dennis and Amir Khan revealing their favourite fact and trying to find out if it is scientifically accurate.
