[This story contains spoilers from the sixth episode of Curb Your Enthusiasm season 12.]

Curb Your Enthusiasm is known for inviting guest actors onto the HBO improv comedy series to play versions of themselves and go toe-to-toe with Larry David’s onscreen persona.

The latest actress to do so was Lori Loughlin, who came on the sixth episode of the 12th and final season to confront her post-college admissions scandal reputation in Hollywood. The setup was that Loughlin, who loves to play golf, was being black-balled from L.A. country clubs due to her role in the 2019 scandal. (Loughlin and husband Mossimo Giannulli were among the high-profile parents charged with paying fixers to get their children into top U.S. universities, nicknamed Operation Varsity Blues by the FBI.)

So Loughlin needs a sponsor, and who better than Larry — someone who has gotten so many second chances himself? “You know I’m a champion of the underdog,” he says.

“On the show,...