Animated series. Peter finds a mysterious key hidden in his father's journal and is determined to find out what it fits. Show more
Discover 11,128,835 listings and 280,426 playable programmes from the BBC
Animated series. Peter finds a mysterious key hidden in his father's journal and is determined to find out what it fits. Show more
The UK's most watched and most loved channel for the under-sixes, dedicated to delighting and surprising its pre-school audience.
