Castle

Castle is the 2nd episode from Series 2.

Plot
The adventures of Bits and Bobs, two inquisitive balls of fluff who are keen to find out about the world. Trug has found a key, but what does it do? Bits and Bobs try to unlock the puzzle.

Trivia

 * Yellow was correct in the mini quiz.
 * Bobs goes flying out of Trug.