The Pet Defenders Code: 1. The safety of Planet Earth depends on you. 2. Humans MUST NOT know the truth. GOOD LUCK—you'll need it... Secret agent Biskit is not happy when he discovers his new partner Mitzy is a cat—everyone knows cats and dogs don't mix. But saving the Earth from alien invasions must come first and the planet is under attack! A cluster of cow pats has flown into town and they're whipping up a stink... It's time for Biskit and Mitzy to put aside their differences and kick some alien butt!