Fonzie Loves Pinky: Part 2 is the second episode of Season 4 of Happy Days; it was also the 65th overall episode in the series. Written by Arthur Silver, the episode, which was directed by Jerry Paris, premiered on ABC-TV on September 21, 1976.
Part 2 of a 3-episode story. Fonzie's old flame Pinky Tuscadero (Roz Kelly) returns, and the couple starts to rekindle their relationship. Meanwhile, Fonzie is planning to compete in an upcoming demolition derby; but when his co-driver is injured before the event, Pinky resents Fonzie's disapproval of a woman driving in a derby and chooses Ralph over her for a replacement. To make matters worse, the ruthless Malachi brothers (Ken Lerner and Michael Pataki) intend to win the derby, using any dirty trick necessary—including their infamous "Malachi Crunch."
After being injured in the head at the derby from "The Millachi Crunch". Pinky is hospitalized. Fonzie gets revenge with the brothers and wins the derby, he also realizes that he wants to be more than just Pinky's boyfriend.