

Kenny's shark friend Dan comes for an uninvited visit. Dan is turned away, but he threatens to tell Kenny's big secret to Kat if he can't stay.
Grace, Kat's mother brings home a patient who is afraid of sharks. Kat uses real shark facts to try and ease his fears. Kenny is invited to meet the patient, but decides to eat him instead. Kat decides to take Kenny to the vet, who decides to give him a muzzle. But Kat knows thats not the best solution. Kat's patient is always being attacked by mosquitoes. It dawn's Kat that there is something that makes him attracted to sharks. When Kat does a little detective work she finds out that he feeds seals.
Kat gives an oral science report on her favorite pet Kenny. When she gets home, her father looks for a gift, only to find out Kenny ate it. Using some real facts, Kat tries to get Kenny to eat so much that he'll toss up the gift. But when that doesn't work, she tries to use other methods.