Bob dresses in his finest tuxedo to sing in a concert. Zero mistakes him for a penguin at first and muses about having some other penguins around to play with. Bob and the kids get lessons on how to act like a penguin from Zero. He leads the kids to Hooper's Store for some raw fish, while Bob heads off to his concert (moving like a penguin would), eliciting strange looks for Maria. (thetvdb.com)