The Love Boat (1977)

S3E24 Dumb Luck/Tres Amigos/Hey, Jealous Lover

Julie is concerned that her genius nuclear physicist friend won't be able to attract a partner due to her impressive intellect. To help, she suggests that Vicki should play down her smarts to catch a man's eye. Meanwhile, Vicki strikes up a friendship with a wealthy young passenger. As they explore the ship together, they stumble upon a stowaway—a young boy eager to reunite with his mother in Mexico. Adding to the chaos, a jealous husband creates tension among the crew, constantly threatening the men he believes are flirting with his wife.