• ‘The Big Bang Theory’ Season 10 episode 1 spoilers, airdate: What happens next revealed plus possible premiere date

‘The Big Bang Theory’ Season 10 episode 1 spoilers, airdate: What happens next revealed plus possible premiere date (Photo : Facebook/The Big Bang Theory/ CBS)

"The Big Bang Theory" Season 9 takes another hiatus and fans will have to wait until April 21 to watch episode 21. Meanwhile, spoilers and plot details for the highly-anticipated segment are making the rounds. Here is what happens in the episode titled "The Viewing Party Combustion."

[Warning: This article contains spoilers for "The Big Bang Theory" Season 9 episode 21 "The Viewing Party Combustion." Read on only if you want to know more about it.]

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Fans must brace themselves for an intense episode as the two best friends end up clashing with each other. According to Spoiler TV's synopsis for "The Big Bang Theory" Season 9 episode 21, Leonard and Sheldon will get into an argument that leads to a big fight between the two friends.

As things get tense between the two, the other members of the gang also feel the heat. It all happens during a casual get together wherein Sheldon and Leonard host a viewing party for others.

However, things take an unexpected turn when a small argument takes the form of a heated debate. As for others, they become equally involved in the argument and are forced to choose sides between the two. Amy, Penny, Howard, Raj and Bernadette must decide do they support Sheldon or Leonard.

The reason for the argument is not specified. However, several media outlets are reporting that it is on the matters related to roommate arrangement meetings.

Note: A promo video for the upcoming segment is not out. However, the trailer will be made available as soon as it is released by the network. So, stay tuned.

In the meantime, fans can take a view at the events of "The Big Bang Theory" Season 9 episode 21 via photos published on Spoiler TV.com. Click here to view the photos.

"The Big Bang Theory" Season 9 episode 21 "The Viewing Party Combustion" airs April 21 at 8:00 pm on CBS. Stay tuned for more spoilers and updates.