many happy days, but this week four members of the cast in addition to the estate of the late tom bosley a lawsuit claiming all the memorabilia, the lunchboxes, t-shirts, glasses, earned them little if nothing at all. ♪ >> reporter: it's not just the jukebox, everything about "happy days" is iconic. the fonz's leather jacket hangs in the smithsonian. but the show was also a merchandising bonanza. >> look how tough i am. >> reporter: the show's stars can't believe how much their images appeared on lunchboxes, board games, comic books. >> i have never played this. >> reporter: there are current items, too. t-shirts and mugs are available at the online store but it was the "happy days" slot machines that were one too many. >> somebody said, boy, you must be cleaning up. >> reporter: but mrs. c says she hasn't been. joanie said she's gotten only a few hundred dollars and for ralph and potzie, nothing. >> for 37 years, not a statement, not a dime. >> reporter: not for lunch boxes, t-shirts, games, figurines. >> not a statement, not a dime. >> reporter: in a lawsuit filed this week the actors