New student Summer Madison is really a teenager from the future who has come to Riverdale to observe and write a report on 20th century teenagers.; Archie claims that nothing bad can happen to him during the Christmas season. Reggie repeatedly tries to prove him wrong by hitting him with a snowball, and repeatedly misses. But Archie's friends all start to think he's pushing his luck.; The gang visit Santa Claus at the mall and drive him crazy enough he quits.; Thanks to one too many hits in the head during football practice, Moose is suffering from intermittent memory loss. When Moose temporarily forgets who Midge is, Reggie tries to make time with her while Moose is busy playing Santa Claus .; Reggie is determined to buy Veronica a more expensive version of everything Archie gets for her.; Turned off by Veronica's use of professional decorators, Betty, Archie and Jughead return to Betty's house and decorate it for Christmas themselves.; When Betty falls ill, Veronica agrees to take over for her Christmas wrapping business, but Veronica forgets to put tags on all the gifts.; Archie goes out in a blizzard to deliver some Christmas ribbon to Veronica.; Archie and Jughead come to an old western town to sell yo-yo's and end up cleaning up the town in the process.; Dilton's mastery of geometry makes Coach Clayton think he would be good for the basketball team.; Quarterback Reggie makes sure that Archie takes the brunt of the other team's offense so that he won't be able to take Veronica out on a date.; Inspired by Veronica's new hairdo, but unable to afford a professional stylist, Betty decides to dye her hair pink using artificial drink mix.; When Archie is cast as a turn-of-the-century song-and-dance man in the school musical, he keeps his costume, straw hat and cane with him at all times, and his obsessive dancing leads to a lot of people getting hurt.; While trying to make a floor plan of the school, the boys wreak havoc with a tape measure.; Archie watches a movie about ruthless corporate executives, then panics on overhearing Mr. Lodge speak in sinister terms.; Betty has to exchange Archie's Christmas gift three times after she overhears his conversations.; Archie has to cut firewood so he and Betty can have a fire in the fireplace.; Hi-Flyer Sneakers are the latest athletic shoe craze sweeping the nation and naturally Veronica is the first one in Riverdale with a pair.; Archie's mom demands he clean his room or he will not be allowed to go out on his date that night.; Archie wants this date to be memorable, but Veronica worries about what could happen.; Veronica invites the gang to the mansion during renovation of the Chok'lit Shoppe, making Mr. Lodge an outsider in his own home.; Archie and his dad take old appliances out of the attic and try to get them working again.; The faculty challenge the student's basketball team to a game.; The kids think Professor Flutesnoot is always serious and never "lets his hair down" but they change their minds when he wins first prize at a costume contest at a science fiction convention.; Gaston leaves the Lodges. Archie and Mr. Lodge have to figure out how to get the Lodges' modern kitchen to work with its push-button-hidden, appliances-and-drawers electronic system.; Jughead and his friends are on an episode of Concealed Camera.; As Archie encounters repeated accidents at the Lodge home, he insists that Mr. Lodge is out to get him. An exasperated Veronica points out that Archie is constantly accident-prone. When Archie confronts Mr. Lodge he learns that the mysterious conversation had actually been about the same movie Archie watched. They fall into excited discussion of how good it was, leaving Veronica to herself.; Archie meets Santa Claus and finds out how he manages to deliver all the presents in one night.; Reggie has Jughead taking pictures for the yearbook but the all include Reggie.; Betty is bell-ringing for the holidays.; Ethel traps Jughead under the mistletoe with the help of Mr. Lodge's cane.; Archie tells about the time Jughead saved his life.; Jughead has a coupon for free popcorn at the movie theater.; Betty asks Moose to wrap everything under the tree.; Jughead wants double time for working Christmas Eve.; Archie's father wants Archie to ask Mr. Lodge for tip on the stock market.; At a low-rent diner, Jughead is not happy when he gets a "compact" hamburger.; Jughead gets Archie to stand on his head hoping to collect the change that falls from his pockets.; Ethel hides in Jughead's locker.