Cassie and the Big Problem

The forty-fifth episode of Season 37. Cassie has a big conflict, she has to attend her friend Maddy's birthday party but she also offered to help Haven babysit her dog. Phineas then clones Cassie, which turns out chaotic. Doofenshmirtz sits around thinking of a good scheme.

Episode Summary
Cassie runs over to the Flynn-Fletcher's as fast as her little legs can carry her. She catches her breath as she spots Perry wandering off. She shrugs and rushes to the boys.