'The Office' is easily one of the funniest shows to ever air on television. If you haven't dived into this pot of gold yet, you are in luck, because it is awaiting your arrival on Netflix! The show is a "documentary" style production that showcases the lives of a group of paper-selling office workers at a company called Dunder Mifflin.

The show, which is notorious for incorporating a lot of improvisation, has brought so much joy to our lives, so much that many of us have watched the series more than once! Whether you're a fan or not, you must admit, the cast did a spectacular job and truly sold each and every one of their parts.

Despite having seen the series a few times, there are always things that viewers miss! Here are 20 things that actually happened on the set of "The Office" that even true fans don't know!

*SPOILER ALERT* Many plotlines are revealed throughout this article, so please be cautious before reading.

40 The opening Sequence Secret

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Believe it or not, but the opening sequence to this iconic show wasn't filmed by the show's producers, but by our very own Jim! When John Krasinski found out he had been cast as Jim Halpert, he took a trip down to Scranton, Pennsylvania to learn about paper selling, and shot the footage while there. It was later used for the opening sequence for all nine seasons!

38 The Steve Carrell Problem

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In the early days of filming 'The Office', Steve Carrell has very overactive sweat glands that would cause him to sweat uncontrollably onset due to the lights. For this very reason, the set had to be kept very cool to prevent Carrel from sweating too much, which sounds like a very Michael Scott problem.

36 Dwight and Jim's Unscripted Scene

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During Season 4 in the episode titled "Money'', Dwight breaks down in the stairwell. Luckily, Jim comes to comfort Dwight with his words. If you remember the scene well, Dwight turns around to hug Jim, but he had already fled the stairwell. This was completely unscripted and planned by the director filming the scene. Dwight's reaction to Jim being gone was completely authentic!

34 Jim's First Kiss

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Although Jim kissing Pam for the first time wasn't his actual first kiss, it was, in fact, his first on-screen kiss. Jenna Fischer, the actress who plays Pam, asked John Krasinski if he had ever kissed on camera before. He lied to Jenna at the time, saying he had when really, this kiss was going to be hist very first on-camera smooch!

32 The $250,000 Proposal

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During the scene that viewers had been waiting for forever, Jim proposed to Pam at a halfway point rest stop between Scranton and New York City. Although the rest stop appeared to be real, the crew had to create a replica from scratch. This fake rest stop cost nearly $250,000, making it one of the most expensive setups for a single scene!