Myron Pepperdinkle returns and recruits Harvey Toot and Dr. Crustacean in his revenge against The Explorers.; When some big name stars come to Riverdale to film a movie, Archie and Chuck try to get exclusive pictures of the stars. Of course, Reggie and a ton of other paparazzi have the same idea.; Betty is menaced by a dealer at a flea market after she buys from him a piece of costume jewelry that he discovers is worth money.; Archie is transported to medieval times and battles a dragon.; Reggie brings his cousin May to Riverdale so that she can go to the dance.; Archie dreams he is in the Riverdale 500 auto race.; Chuck says it's too hot to take a walk with Nancy but he's ready to go when Archie wants to play baseball.; Archie takes Veronica fishing.; Betty and Veronica try to teach Archie to be a jogger.; Archie, Reggie and Jughead drag Dilton to the beach with them, and Dilton discovers pretty girls.; When Archie and Reggie pay more attention to the other girls at the beach, Betty and Veronica decide it is time to go shopping for new swim suits.; Reggie has a fancy ski-jet and all Archie has is an old rowboat.; Archie is depressed because his summer vacation is coming to an end.; The gang meets a strange little man that claims to be from the planet Zebulon.; A movie is casting local surfers, and Archie hopes his lucky charm will help him get a part.; Claiming that he's become a tennis expert, Archie asks to team with Veronica against Reggie and Betty in a game of mixed doubles.; The boys have discovered the arcade game in Mr. Lodge's game room. Each tries to distract the others as they play to prevent them from getting the high score.; Jughead and Archie have joined the marching band. Archie has decided to play the tuba so he will stand out.; Reggie brings his guitar to a beach fire to woo a girl, but the night doesn't go as planned.; Archie trains for his boxing match with Moose.; Moose is going to make Reggie pay for kissing Midge.; Moose thinks he understands Japanese.; Jughead has taught Hot Dog to steal picnic baskets in the park.; Archie calls Dilton to tell him about the girl he met at the beach.; It's Reggie's birthday so Moose wants someone to get him a pillow to land on when Moose punches him for going out with Midge.; Archie's car's odometer has rolled back to all zeroes.; Reggie's date thinks her father is perfect.