生活在海中一块黑色岩石上的一只小海螺，十分希望能漂过大海周游世界。一天一只座头鲸邀请这只小海螺坐在它的尾巴上出海远行……
Rob Brydon
Whale (voice)
Sally Hawkins
Snail (voice)
Diana Rigg
Narrator (voice)
Cariad Lloyd
Teacher (voice)
Max Lang
Fish (voice)
