Baywatch (1989)

Season 10: Episode 18

During a long day when Sean takes Jenna out on a Scarab motorboat when after a rescue of a injured young boy from a offshore reef, Sean reveals a secret to Jenna that could threaten his position when he tells her about his own son, that no one knows about, who drowned years ago which ruined his life and paved his way to becoming a lifeguard.