Sky One Duck Quacks Don't Echo (R) (T) Sat 03:00

Duck Quacks Don't Echo (R) (T)

Radio 4 presenter John Humphrys, stand-up comedian Ed Byrne and The IT Crowd star Katherine Parkinson all join host Lee Mack on the panel show, revealing their favourite fact and trying to find out if it is scientifically accurate.

S03 E06