Though these days he’s enjoying a hugely successful career, it wasn’t so long ago that Jon Hamm faced the ultimate acting setback: getting fired from a mid-2000s WB sitcom.

On Tuesday, Hamm sat down with Lizzy Caplan (or, more precisely, crashed her interview) on “Jimmy Kimmel Live!” to chat about their time on the short-lived “Related.” Caplan, who now stars on Showtime’s “Masters of Sex,” was more than happy to point out that she and Hamm only had a few scenes together. After just one episode, one of the now-veteran actors was let go.

“Spoiler alert,” said Hamm. “It wasn’t Lizzy.”

“He was the guy on a girl WB show and he still got fired,” she teased. “That’s not easy.”

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