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Chuck Lorre’s hit CBS sitcomThe Big Bang Theoryhas had numerous guest appearances throughout its long run. And among the multiple guest stars, Lorre also invited the star of his other successful sitcom, Charlie Sheen fromTwo and a Half Men.

the big bang theory 10

And the actor did not fail to deliver in his brief yet memorable appearance as he managed to steal the spotlight, even outshining the show’s leading stars like Jim Parsons and Kunal Nayyar.

Charlie Sheen’s brief yet impactful cameo inThe Big Bang Theory

Before the fallout betweenCharlie SheenandTwo and a Half Mencreator Chuck Lorre, Sheen made a brief but memorable appearance in Lorre’s other hit sitcom,The Big Bang Theory,during its second season episode,The Griffin Equivalency.

The episode followsKunal Nayyar’sRaj, who becomes increasingly obnoxious after learning he’s been named in People magazine’s ’30 Visionaries Under 30′ list for his discovery of the trans-Neptunian object 2008 NQ17.

A still from The Big Bang Theory

As Raj’s ego grows with his newfound fame, his friends begin to resent him and refuse to attend the reception party with him, except Penny, who Raj mistakenly assumes is going on a date with him.

In one of the scenes from the episode, Raj brags to his friends about his achievement at the Cheesecake Factory. After his friends decide to leave him to nurse his inflated ego, he turns to the person at the next table and boasts about being featured in People magazine.

Charlie Sheen in The Big Bang Theory

However, the person on the table turns out to be none other than the Emmy-nominated actor Charlie Sheen, who delivers a sharp retort, saying,“Call me when you’re on the cover.”

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Sheen, who was already a well-established star easily outshinedThe Big Bang Theorystars likeJim Parsonsand Kunal Nayyar with his quick wit, confident delivery, and effortless charisma.

Sheen also collaborated with Lorre in the hit sitcomTwo and a Half Menbefore the actor spiraled down in controversies, eventually causing his exit from the sitcom.

Charlie Sheen Admitted “F<em>king a five-months-pregnant Mexican wh</em>re with cesarean scars” During His Drug-Fueled Hollywood Rampage

Charlie Sheen did not have anything pleasing to say aboutThe Big Bang Theory

Charlie Sheen’s time onTwo and a Half Mencame to an abrupt endafter the actor made a series of controversial remarks about the show’s creator,Chuck Lorre. His disdain for the showrunner appeared to have extended beyondTwo and a Half Menand even affected his views on other Lorre-produced sitcoms, includingThe Big Bang Theory.

Years after his brief cameo on the show, the actor harshly criticizedThe Big Bang Theory,calling it “stupid,” “lame,” and“a piece of sh*t.”While promotinghis showAnger Management,the actor suggested how his show paved the way for the following sitcoms.

two and half men

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In an interview withThe Guardian, he also further insinuated thatThe Big Bang Theorymight not have survived without lead-in shows like his.

You gotta think about the shows that my show launched — I’m sorry, but Big Bang Theory is a piece of sh*t – it’s a stupid show and it’s just lame, about lame people. I like the kids in it, but that show without us as a lead-in is… goodbye.

Sheen did not stop there and extended his criticism to the show’s creator Chuck Lorre offering a subtle jab, saying,

And I’m rooting for those kids, because I know who they’re dealing with. The fact that they’re still sane is crazy. You know? He’s a bad man. And I’ve backed off from him for a while.

While his statement ahead of his exit fromTwo and a Half Menand after his cameo inThe Big Bang Theorydid cause a stir between him and Lorre, the two have since reconciled. And Sheen also made a cameo appearance in Lorre’s comedy TV series,The Bookie.

The Big Bang TheoryandTwo and a Half Menare available to watch on Max.

Laxmi Rajput

Senior Writer

Articles Published :3448

Laxmi Rajput is a Senior Writer at FandomWire, with over 3,300 articles published covering film, TV, and pop culture. With a degree in Broadcast Journalism and over three years of experience in content writing, she pivoted to entertainment journalism because let’s be honest, superheroes, sitcoms, and Netflix binges are way more fun. Laxmi frequently covers Marvel, Harry Potter, Star Wars, and popular TV shows, offering both fan-first enthusiasm and thoughtful analysis. Her work often dives into Marvel theories, revisits the genius of The Big Bang Theory, or unpacks the Netflix phenomenon of Stranger Things.

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Charlie SheenChuck LorreJim ParsonsKunal NayyarThe Big Bang Theory