Who's the Boss? - Season 4 - Eps 18: Three Teens and a Tony
Because of a job he has to do Jesse can't go out with Sam and suggests she should go out with Mason instead, who's living there for a short time after he has been thrown out of his room. After a great evening Sam gives Mason a fatal kiss which means the end of the relationship with Jesse after he has learned about it.
About Who's the Boss?

Title: Who's the Boss?
First Air Date: 1984-09-20
Last Air Date: 1992-04-25
Status: Ended
Rating: 7.422/10 (from 275 votes)
Language: EN
Seasons: 9
Total Episodes: 196
Network: ABC
Genres: Comedy, Family
Production Companies: ELP Communications
Synopsis
A former professional baseball player, along with his preteen daughter, moves into New York advertising executive Angela Bower's house to be both a housekeeper and a father figure to her young son. Tony 's laid-back personality contrasts with Angela's type-A behavior.
Cast

Tony Danza
Tony Micelli

Judith Light
Angela Bower

Alyssa Milano
Samantha Micelli

Danny Pintauro
Jonathan Bower

Katherine Helmond
Mona Robinson