S1, E303: Catnap : While Jon is out at the dentist’s having treatment for a painful tooth-ache, Garfield and Odie are home alone watching their favorite TV shows in the living room. At nightfall, Jon still isn’t back. But who’s that knocking at the door? Could it be the dangerous gangster everyone's talking about on TV? Or might it simply be Jon, who has left his keys at the dentist’s and is locked out? Garfield and Odie aren’t sure, so they decide not to let anybody in. They barricade the doors and set up traps with their mouse friend Squeek’s help. That way, they can be sure to neutralize the crook prowling around outside. / Agent X : A secret agent known as Agent X has shown up in the neighborhood and is stealing Garfield's limelight by telling anybody who wants to listen all about his adventures. Nermal, Arlene and Harry quickly succumb to his charms, but Garfield is suspicious. Is he really a spy? Or is he nothing but talk? Could he be just another alley cat looking for five minutes' fame? In any case, Garfield is determined to find out the truth, and with the help of his mouse friend Squeek, he soon realizes that Agent X really lives a normal cat life with no spy adventures in sight back at home elsewhere in the town.