Clyde Didit's hippie style inspires Melody to imitate his fashion choices and lack of shoes. Mr. Tuttle figures out a way to curb this outbreak of nonconformism without risking violence. Violence ensues anyway when Pepper and Sock accidentally blow up the chemistry lab, filling the school with tear gas. Alex offers the use of his mansion while the school is being aired out, but while the other students are using Mr. Cabot's indoor swimming pool as study hall, Alex and Josie drive a snow plow right into the house.; Veronica is jealous of the attention Betty got when she gave Mrs. Lodge a hand-embroidered handkerchief.; The Cooper family gathers for the holidays and receives a visit from an unexpected person.; Miss Beazly sends Archie to deliver some hot tea and lemon to Mr. Weatherbee.; Archie accidentally drives a defective ATV through Bumley's Department Store, endangering his job there but saving Mrs. Bumley from serious injury.; Mr. Lodge invites a well-repected artist to show his latest paintings. But the artist has spoiled each of the paintings by throwing paint over the pictures in an artistic inspiration. Mr. Lodge sees the marred paintings and assumes Archie is to blame.; Mr. Weatherbee has a headache but Archie can't keep from making noise. In a fit of anger, Mr. Weatherbee expels Archie from school.; At the gang's Christmas gift exchange, Betty and Veronica drive the boys nuts by insisting that they not tear the wrapping paper in order to get to the gift inside.; Two children steal Veronica's Christmas gifts, but Jingles finds the culprits.; Archie arrives at the North Pole only to find the reindeer are on strike. Archie carefully traces the problem back to its original source-- selfishness from many people working at the North Pole.; Fred wants Archie and Jughead to cut down a tree in the back yard to use as a Christmas tree but the boys decide they can't displace the squirrels living in the tree.; The gang discuss how their parents are no good at choosing Christmas presents.; Betty and Sugarplum try to get Veronica to do one good deed for Christmas, so she can make the nice list.; Archie tries to make a new layout for the school yearbook.; Betty searches in vain for a quiet place to read the book she has to do a book report on.; The students and staff throw a 25th anniversary party for Mr. Weatherbee.; Disaster is in store for Mr. Weatherbee when he runs into Archie at the mall.; Fred and Mary remember back to when they went to high school.; Veronica gets a case of the hiccups when a TV crew is doing a live spot from the school.; Fred takes Archie to a hypnotist to see if he can cure him of being so unorganized.; They're going to film a TV show at Riverdale High.; Cavemen discover time.; Life was no different for teen-agers back in the stone age.; Aunt Juggie dispenses advice to the lovelorn.; Professor Flutesnoot is taking the class on a field trip to a meteorological station, if it doesn't rain.; Archie is worried about The Archie's new song.; Reggie can't hear Archie's head rattle from that far away.; Future footwear ideas.; Aunt Juggie dispenses tips on etiquette.