Miss Cathcart's Sunsuit is the Valentine's Day episode of Dennis the Menace.
Dennis and Tommy's efforts to sell Valentine's Day cards in July cause problems for Miss Cathcart, Mr. Dorfman, Mr. Wilson, and even Mr. Carlson (Tyler McVey) the gardener. Mr. Wilson buys the rest of Dennis' cards, hoping to avoid more trouble. Now all the teenagers in the town want Valentine's cards, causing a run on them. They all go to Mr. Wilson's house causing him to end up in trouble with the police.