Between the Lions - Season 2 Episode 11 Pebble Trouble
7.2030 minutes
Featuring the book ""Sylvester and the Magic Pebble"", in which a young donkey boy discovers a magic pebble in the woods, and somehow wishes himself to be a rock. His parents spend many months out looking for him, and eventually find him as the rock, and unknowingly transform him back into his old self!