In this episode of Barney & Friends, the gang learns about stop and go . First, the kids learn about crossing the street, and how they must s top, look and listen.When Baby Bop arrives, she learns about opposites . She then takes the stop and go signs out to the park to play. Inside , the kids and Barney play dress up and do some silly dancing. When Ba by Bop comes back in, Barney reads "The Three Billy Goats Gruff" to ev eryone.