Our Hearts Were Young and Gay (1944)

Scooby-Doo and the gang are on the case when a mysterious lake monster starts scaring the guests at a summer resort in Erie Point, where Fred, Daphne, Velma and Shaggy have taken on seasonal jobs to pay for a barn they accidentally burned down. But in addition to sneaking suspicions, there's some romance in the air.

Shy 14-year-old Duncan goes on summer vacation with his mother, her overbearing boyfriend, and her boyfriend's daughter. Having a rough time fitting in, Duncan finds an unexpected friend in Owen, manager of the Water Wizz water park.

An irritable marketing executive, Neal Page, is heading home to Chicago for Thanksgiving when a number of delays force him to travel with a well meaning but overbearing shower curtain ring salesman, Del Griffith.

All but abandoned by her family in a London retirement hotel, an elderly woman strikes up a curious friendship with a young writer.

Millie Dillmount, a fearless young lady fresh from Salina, Kansas, determined to experience Life, sets out to see the world in the rip-roaring Twenties. With high spirits and wearing one of those new high hemlines, she arrives in New York to test the "modern" ideas she had been reading about back in Kansas: "I've taken the girl out of Kansas. Now I have to take Kansas out of the girl!"

An American girl on vacation in Italy finds an unanswered "letter to Juliet" -- one of thousands of missives left at the fictional lover's Verona courtyard, which are typically answered by the "secretaries of Juliet" -- and she goes on a quest to find the lovers referenced in the letter.

The wealthy and impulsive Rollo Treadway decides to propose to his beautiful socialite neighbor, Betsy O'Brien. Although Betsy turns Rollo down, he still opts to go on the cruise that he intended as their honeymoon. When circumstances find both Rollo and Betsy on the wrong ship, they end up having adventures on the high seas.

Captain Crowther's lot is not a happy one! Five of his crew have to be replaced and at such short notice before the voyage begins there isn't much to choose from. Not only does he get the five most incompetent shipmates ever to sail the seven seas, but the passengers turn out to be a rather strange bunch too. The SS Happy Wanderer will never be the same.

Robert Talbot, an American millionaire, arrives early for his annual vacation at his luxurious Italian villa. His long-time girlfriend Lisa has given up waiting for him and has decided to marry another man. Meanwhile, his sneaky business associate Maurice secretly misappropriates the villa as a hotel while Talbot is away. The current guests of the "hotel" are a group of young American girls.

After a high school lab experiment goes horribly wrong, Mordecai and Rigby must go back in time to battle an evil volleyball coach in order to save the universe — and their friendship.