Ambrose teaches Sabrina that giving of yourself is more important at Christmas time than giving gifts.; Hilda tries to play tricks on people to ruin their Christmas spirit, but something keeps ruining her spells.; After hearing the story of Santa Claus, Hilda decides to track down this errant warlock and teach him a lesson.; When Harvey catches Sabrina using magic to keep herself snow-free, she can only provide a lame excuse. Then she must perpetuate the excuse when Harvey starts telling everyone he meets about what he saw.; Charley tries to grow Christmas trees from bulbs.; Sabrina's attempt to help out Betty backfires.; Harvey has an overdue library book - - way overdue.; Sabrina's attempt to help out Hot Dog backfires.; Sabrina's attempt to help out Harvey backfires.