The hit NBC show The Office will air its series finale on Thursday. Here is a look back at some of the most unforgettable moments of the show’s nine-year run:

Season 1 : The first episode, an exact remake of the British version’s premiere, focuses solely on Michael’s inability to get the tea the right temperature and his dreams of being on the telly

: The first episode, an exact remake of the British version’s premiere, focuses solely on Michael’s inability to get the tea the right temperature and his dreams of being on the telly Season 1 : Critics hail the 114th brief glance of withheld, unexpressed infatuation between Jim and Pam in episode 2 as the show’s most poignant

: Critics hail the 114th brief glance of withheld, unexpressed infatuation between Jim and Pam in episode 2 as the show’s most poignant Season 2 : Four-episode story arc where Dwight learns to format cells in Microsoft Excel

: Four-episode story arc where Dwight learns to format cells in Microsoft Excel Season 2 : A love triangle develops between Jim and Pam and Thomas, who was later edited out of the show in post-production

: A love triangle develops between Jim and Pam and Thomas, who was later edited out of the show in post-production Season 3 : After running out of episodes of the original British series to adapt, the show begins to reuse plots to old episodes of Dr. Who

: After running out of episodes of the original British series to adapt, the show begins to reuse plots to old episodes of Dr. Who Season 4 : Felix, the wise janitor played by Judd Hirsch, is introduced

: Felix, the wise janitor played by Judd Hirsch, is introduced Season 6 : It is revealed the reason Michael hates Toby so much is because he murdered Michael’s entire family in the early ’90s

: It is revealed the reason Michael hates Toby so much is because he murdered Michael’s entire family in the early ’90s Season 8 : Phyllis becomes the 14th character to have a spin-off series with her show, Phyllis’ Daily Routine

: Phyllis becomes the 14th character to have a spin-off series with her show, Phyllis’ Daily Routine Season 9: Keeping true to its British roots, the series finale has Jim and Pam getting a divorce and the rest of the cast dying in a warehouse fire