When Ultrabot has his first playdate, he is worried and shy but he soon learns that he and Becky have a lot in common.

Rhyming text and illustrations present some of the ways dinosaurs can play with their friends, from hogging the swings to sharing toys.

"Crabby is a very grumpy crab, so Plankton tries to find a game that will cheer Crabby up, but Crabby does not want to play Simon says or hide-and-seek--will a game of tag be more to Crabby's taste?" --

When Pete's friends don't want to play the same games as he does, Pete has a great idea--he'll build a robot that's just like him! But when Robo-Pete gets a little out of control, Pete realizes the best thing about his friends is that no matter what they like to play, it's always fun when they're all together.

Piggie is upset because a whale took the ball she found, but Gerald finds a solution that pleases all of them.