'Big Bang Theory' star Kaley Cuoco shares throwback pic of cast

The Big Bang Theory” is in its final stretch of episodes.

The CBS sitcom is ending after 12 seasons on the air and the looming finale is really starting to freak out some of the actors on the show.

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Series star Kaley Cuoco took to social media to post a throwback photo of herself and her fellow “Man Crush Monday” cast mates.

“#mcm men crush Monday on these handsome boys! This photo was taken at our very first Comic Con many moons ago,” Cuoco wrote.

In the pic, Kunal Nayyar, Johnny Galecki, Jim Parsons and Simon Helberg are huddled around her.

“We only have a few episodes left, the nostalgia is getting insanely real,” she added.

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She told Ryan Seacrest on the red carpet at the Golden Globes in January that actually filming the series finale episode will be difficult.

“Now we’re on the second half [of Season 12] and it’s starting to get a little heavy,” she revealed. “I hope we pre-shoot the whole last episode because I don’t think I’ll be able to keep a dry eye.”