The 20 best episodes of 'The Office,' ranked

• The workplace comedy "The Office" aired on NBC from 2005 until 2013.
• The show followed the lives of the employees working at Dunder Mifflin Paper Company.
• INSIDER found the highest-rated episodes of "The Office" based on IMDB ratings.
• This post contains some spoilers for "The Office."
• Visit INSIDER's homepage for more stories.

The hit television comedy "The Office" documented the everyday life of people working for a paper company, Dunder Mifflin, in Scranton, Pennsylvania. The show ran for 181 episodes across a span of nine seasons and starred Steve Carell, John Krasinski, Jenna Fischer, and Rainn Wilson.

Though you likely have your own favorite episode of the show, some are more popular than others. Here are the top 20 most highly rated episodes from the series based on IMDB user scores.

This post contains some spoilers for "The Office."

SEE ALSO: 16 inconsistencies you never noticed on 'The Office'

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20. In “Livin’ the Dream” Dwight finally becomes the regional manager.

In "Livin' the Dream" (season nine episode 21) Andy quits his job in order to pursue his long-held dream of acting and performing. David decides to replace Andy with Dwight once he sees Dwight receive his black belt in the office and recognizes his commitment and dedication.

Once Dwight becomes the regional manager, he chooses Jim as his assistant. Despite a tempting offer from Darryl to join sports marketing company Athlead on a country-wide tour, Jim decides to stay on full-time at Dunder Mifflin.

19. Michael tries to woo Holly in “Classy Christmas” when she returns to the office.

In "Classy Christmas" (season seven episode 11) Michael overhauls the planning party committee's holiday plans when he learns that Holly is coming back to the office for Christmas. He is crushed when he learns that Holly is still in a serious relationship with her boyfriend A.J., but Holly reveals to Pam that she is giving him an ultimatum because she feels he's not committing enough to their relationship.

Elsewhere, Jim and Dwight have a snowball fight with each other that elevates to scary levels and leaves Jim paranoid of Dwight's next attack.

18. Michael passes hosting duties onto the next manager in “Michael’s Last Dundies”

As Michael prepares to leave the office, Michael trains his replacement Deangelo Vickers (played by Will Ferrell) to take his place "Michael's Last Dundies" (season seven episode 21). Chief among his managerial duties is hosting the Dundie Awards and Michael attempts to help Deangelo through his fear of public speaking.

On the night of the awards show, problems escalate until the office is forced to leave the Italian restaurant and they go back to Dunder Mifflin to finish the ceremony. The episode ends with the office singing a touching musical tribute to Michael.