Archie and Jughead figure out the secret of the shark that is terrorizing Skull Island.; Betty and Veronica go back in time and meet Archie's great grandfather, Archibald Andrews.; Little Archie catches a giant fish while on a picnic at the beach but loses him before he can reel him in.; Little Sabrina turns Little Reggie into a monkey.; Chuck and Nancy get into a fight over whether it's too hot to walk in the park.; Professor Flutesnoot has an encounter with aliens.; When Veronica thinks the Lodge pool water has recuperative properties she bottles it for sale.; Alex secretly helps an elderly couple when they find some old stock certificates.; Alexandra slips a note in Josie's book, knowing that Alan would find it.; Archie, Reggie and Jughead drag Dilton to the beach with them, and Dilton discovers pretty girls.; Jinx has given up baseball to imitate Gigi and the boys conspire to change her mind.; Sabrina's aunts are scandalized at the swimsuit Sabrina wears to a bathing beauty contest, but she wins in spite of their magical interference.; Archie becomes a caddy for Mr. Weatherbee, but as usual, causes more harm than help.; Sabrina volunteers as a counselor at a witchcraft summer camp for preadolescent witches.; Dilton tries to join the football and tennis teams but he's not cut out for those sports, but he is noticed by the cross-country coach.; Fred buys a steak to grill for the family but all Little Archie's friends come over and there is not enough steak for everybody.; Inspired by Veronica, Little Sabrina tries to grow a garden by magic and accidentally conjures up the giant from "Jack and the Beanstalk".; Harvey has all kinds of accidents on his way to pick up Sabrina for their date.; Josie doesn't want to go to Alexandra's pool so she creates her own.; The girls are amused by Alex's latest idea - he wants to be a private investigator.; Betty gets two tickets to a concert by "The Funny Named Group" (they chose that name because all the other funny names were already taken). To keep Betty from asking Archie, Veronica claims that Archie's already going to a flower show with her.; Everybody is bothered by the fact school will be starting soon except for Archie.; Charley is dressed up as a chicken and does deliveries for a chicken restaurant.; Jinx has her father try to inflate her backyard swimming pool, which proves to be a major undertaking.; Greg may be the fishing expert, but Jinx is the one with the fish.; Archie gets an ice cream soda.; Reggie saves Veronica at the beach.; Reggie says Moose has an open mind.; Miss Grundy warns Mr. Weatherbee to stay out of the water because Archie is spear-fishing.; Li'l Jinx and Charley almost break a window but do break a plate.; Moose catches Reggie with Midge and vows to make him pay.; Reggie accuses the girls of gossiping.; Jughead buried Ethel in the sand.; Little Dilton helps Little Archie and Little Jughead fly a kite.; Reggie winks at Midge at the beach.; Sabrina's aunt frightens bystanders more in her bathing suit than in her witch's outfit.; Archie takes Betty out in his new sailboat.; Moose ties up the rowboat.; Veronica smells something fishy.; Veronica complains about her father.; Charley takes up jogging.; The Pussycats go to a fortune teller.; Reggie throws Archie in the pool.; Reggie asks what color tennis balls Archie prefers.