S3·E7 Let's Make History / Adventures of Space Dads / Silly Willy Day

The kids put on a play about the history of the planet Polie.; When Olie and Billie start agruing over a game of tag, the dads step in and show them how to play without arguing.; As the Comet Sillius heads toward Polieville, color returns to the grey lives of the Polies marking one of their favorite holidays.