While Barney waits for a surprise to arrive, BJ, Baby Bop and the children are in for some surprises themselves. They hear trains passing through the playground! Although they always miss seeing the trains, there are special toys and treats left behind for them to share. Baby Bop and BJ learn to take turns in their pretend play. Barney's surprise arrives - it's Stella the storyteller, who's about to tell a fun tale.