From PBS Kids: Show Off - It's the Elwood City dog show and Killer is facing off against Sebastian Winkleplotz, the snooty, championship-winning poodle. At stake: the Read family's honor. Can Killer's coach, Pal, transform her from combative canine to sophisticated show dog? Dog's Best Friend - Arthur agrees to watch Amigo while Alberto's off at camp. At first Pal is thrilled to have the company! (He even teaches Amigo his coveted table begging secrets!) But when Arthur appears to favor Amigo during a game of catch, Pal begins to worry that he's lost his place as top dog…