Hide and Go Peep / A Peep of a Different Color
S1:E22
2004
IMDb
HIDE AND GO PEEP: The birds discover a new game when Peep accidentally ""hides"" between some rocks, and soon figure out that hiding is easier when you are surrounded by objects that are the same colour as yourself. A PEEP OF A DIFFERENT COLOR: Peep and Chirp discover a set of paints at the dump, and use them to turn Peep red, Chirp blue, and Quack yellow.