剧情：An animated comedy about two-step brothers who find inventive things to do on each day of their summ...展开

剧情：An animated comedy about two-step brothers who find inventive things to do on each day of their summer vacation such as building a roller coaster out of materials you would find in your everyday home like popsicle sticks, indoor plumbing, etc. Unbeknownst to them, their pet platypus, Perry, leads a double life as a secret agent.-。。。