Superboy in "Super-Salesman"
When salesman Herbert Binns refuses to sell faulty equipment anymore, but stays on to make sure his boss Hugo Crowl doesn't sell anymore either. Crowl gives him impossible selling tasks. However Superboy helps Binns sell the items teaching Crowl a lesson in the process.
Aquaman in "The Sweetheart of the Seven Seas"
Aquaman falls for a movie actress famous for her swimming.
Green Arrow in "The Archer of Triumph"
Johnny Quick in "The Nimble Names Crimes"
Johnny Quick joins a club whose members have fast names.