Brain Freeze 2

CBBC

Monday 18 September 2017  09:30 - 09:35 (5 mins)
Cats: Doctor Knowles and Professor McCork get to the bottom of biggest science questions. Knowles and McCork ask the question 'Why do cats purr?'. Also in HD. [S]

Brain Freeze 2 may be available on playback
Brain Freeze 2 (CBBC) Monday 18 September 2017 09:30 - 09:35