Casualty (1986)

Season 31: Episode 5

Duffy pushes Charlie into attending a 50-year school reunion, where he bumps into old crush Gloria, and former bully Allan, who just happens to be Gloria's husband - and does not seem to have changed his brutish ways. As Allan's playground antics get the better of Charlie, a scrap ensues, leaving the old ruffian with more than just a bruised ego. Meanwhile, a very public argument between David and his ex-wife Rosa prompts their troubled son to act out in a very dangerous way, and Alicia tries to take her mind off her drunken antics with Ethan by helping a frail - but wily - elderly patient with a cat-based dilemma