Fun science for preschoolers. Molly wants to know why fish are slimy, so Nina, Felix and the other neurons take her and her sister to an aquarium to experiment. Show more
Discover 11,128,835 listings and 279,849 playable programmes from the BBC
Fun science for preschoolers. Molly wants to know why fish are slimy, so Nina, Felix and the other neurons take her and her sister to an aquarium to experiment. Show more
The UK's most watched and most loved channel for the under-sixes, dedicated to delighting and surprising its pre-school audience.
