The Simpsons (1989): Season 18, Episode 7

18 - 7: Ice Cream of Margie (With the Light Blue Hair)

After Homer gets fired at the nuclear power plant, he takes over the ice cream truck business, while a depressed Marge creates popsicle stick sculptures to keep busy. The sculptures quickly become popular and Marge is excited to have a purpose in life, until a turn of events divides the Simpsons household.