Tim Crist is so obsessed with Pac Man, he has built a shrine in his basement. Home is where the haunt is for Pat and Sandra McGee. They are so obsessed with The Munsters television series they've spent over $250,000 turning their home into an exact replica of the Munster's. Then, it's off to Never Never Land to meet Randy Constin, a man obsessed with being Peter Pan. Randy has perfected the art of leaping and even more importantly, how to 'sparkle' in a pair of green tights. Then, meet Nicki McRoberts, who is so totally obsessed with gaining weight she won't rest until she is 600 pounds. To be sure she is ready for bikini season she's been spending her summer taking in close to 14,000 calories a day.

• Fred Willard