The Alvin Show - Season 1 Episode 15 Lovesick Dave

The Chipmunks are concerned by Dave's unusual behavior and attempt to follow him. Once they stop in front of the Justice of the Peace, they believe Dave's getting married. Back home they overhear Dave on the phone and believe the woman soon to visit is his fiancé. The boys spy on their conversation and become convinced Dave will get rid of them. When they confront Dave they find out she is really a representative for Sam Sweetheart's Swimming Pools Construction Company who is helping Seville pick out a swimming pool.