It's Pet Day at school but Joe doesn't have a pet. Can Chook come up with a plan to help his friend?

Chook's friend Joe doesn't have a pet to bring to Pet Day. To cheer him up, Chook decides they should try to find him a pet for just a day. But Joe is so sad he can't even come up with a plan. (And that's his best thing.) Can Chook think of a plan to help his friend? And will he be brave enough to carry it out?