China - BJ is waiting for a very special letter from his pen pal in China. The letter reveals that his pen pal is coming for a visit. With the help of friends in the park, BJ hurries to get the park ready. He wants it decorated so his pen pal feels right at home. But, BJ learns that his pen pal wants to see how BJ really lives! Welcome, Cousin Riff - Barney has a big surprise for BJ and Baby Bop! Their cousin Riff is moving to town. BJ and Baby Bop discover Cousin Riff is NOTHING like what they thought he'd be...he's even BETTER!