Johnny Bravo (1997)

S2E52 The Unsinkable Johnny Bravo

Johnny, a struggling third-class peasant, finds himself smitten with Shelia, a wealthy first-class girl. Their romance unfolds amidst the grandeur of the ship, but tragedy strikes when disaster hits, much like the Titanic. In a surprising turn of events, as chaos ensues, Shelia decides to end their relationship, leaving Johnny heartbroken as the ship goes down.