History Recap / CommunityS4E10IntroToKnots

** [[spoiler:Chang calls his [[Recap/CommunityS4E06AdvancedDocumentaryFilmmaking mysterious accomplice]] after his plan fails.]]
** TheTag includes a glimpse of the [[spoiler:[[Recap/CommunityS3E04RemedialChaosTheory Darkest]] [[Recap/CommunityS3E22IntroductionToFinality Timeline]]]].

* TheBGrade: [[spoiler:Annie lied and claimed the C- she knew the paper was getting was a failing grade because to ''her'' that's a failing grade.]]

* BreadEggsMilkSquick: Cornwallis [[UsefulNotes/AVeryBritishChristmas celebrates Christmas with plum pudding, roast goose]], and [[spoiler:by updating his suicide note]].

* TheChessmaster / ManipulativeBastard: Cornwallis, for most of the episode, tried to get the group to turn on each other. [[spoiler:He fails.]]

* {{Foreshadowing}}: Troy isn't worried about [[spoiler:his [[Recap/CommunityS4E11BasicHumanAnatomy relationship with Britta]] at all]], because if he was worried he'd be rambling, and he's definitely not rambling...
** Jeff and Annie are the first to go along with the idea of extorting a better grade out of Cornwallis. The episode ends [[spoiler:in the Darkest Timeline, with Evil Jeff and Evil Annie]].

* HadToComeToPrisonToBeACrook: Zigzagged. [[spoiler: Evil Annie apparently committed armed robbery and stabbed people, but she's now truly evil after spending time in Greendale Asylum]].

* IceCreamKoan: Used by [[spoiler:Evil Jeff]].

* InsaneTrollLogic: [[spoiler:Evil Jeff's argument for Evil Annie's release is that whilst she robbed several drug stores & stabbed several pharmacists, the ''true'' crime is someone so beautiful being locked away from society]].

* JumpingOffTheSlipperySlope: [[spoiler: Evil Annie goes from being someone who feels guilty about Pierce's (apparent) death, to being as evil as her boyfriend and wanting to destroy her counterpart]].

* OhCrap: Abed has this reaction as he's thinking about the [[spoiler: Darkest Timeline]].

** [[spoiler: Evil Jeff initially considers the idea of ​​turning evil and destroying his prime counterpart completely ridiculous, in this episode he fully embraces that role]].

* RealAfterAll: [[spoiler: Greendale Asylum is real in the Darkest Timeline]]!

** [[spoiler: Evil Jeff and Evil Annie]] share a kiss after [[spoiler: he gets her released from Greendale Asylum]].

** Jeff went to a Music/TomWaits concert, [[spoiler:blowing off the paper by pasting lyrics from]] "War" by Edwin Starr.

** [[spoiler:Evil Annie]] is restrained by a [[Literature/TheSilenceOfTheLambs Hannibal Lecter]]-style mask.

* UnholyMatrimony: [[spoiler:Evil Jeff and Evil Annie]].

--> ''Abed'': [[spoiler:I wonder what's happening in the [[DarkestHour darkest timeline]].]]
** Leads to TheReveal [[spoiler:in the Darkest Timeline, Evil Jeff having gotten Evil Annie out of [[Recap/CommunityS3E19CurriculumUnavailable Greendale Asylum]] and vowing revenge on the Prime timeline]].

-->-- '''Professor Cornwalis'''

Annie invites Professor Cornwallis (Creator/MalcolmMcDowell) (and Kevin) to the study group's Christmas party at Jeff's apartment to make up for their failing grade on their history assignment. After many failed attempts of ass-kissing, the group finds out that their supposed F was actually a C-; Annie wanted to the group to go for an A. When Cornwalis overhears Jeff's conversation, their grades brought it back down to an F. While the study group is distracted and arguing, Kevin ties up the professor in an attempt to prove himself, leading to a series of mind games and bribes as Cornwalis tries to prise the group apart.

** Kevin complains that he is not a dog, but [[Recap/CommunityS4E06AdvancedDocumentaryFilmmaking he was named after one]].

* HadToComeToPrisonToBeACrook: Zigzagged. Bad Timeline Annie apparently committed armed robbery and stabbed people, but she's now truly evil after spending time in Greendale Asylum.

* InsaneTrollLogic: [[spoiler:Evil Jeff's argument for Evil Annie's release is that whilst she robbed several drug stores & stabbed several pharmacists, the ''true'' crime is someone so beautiful being locked away from society.]]

* JumpingOffTheSlipperySlope: Evil Annie goes from being someone who feels guilty about Pierce's (apparent) death, to being as evil as her boyfriend and wanting to destroy her counterpart.

* OhCrap: Abed has this reaction as he's thinking about the Bad Timeline.

** Cornwallis in his debut was horrified that teachers manipulate students to teach them a lesson. Here, he tries to adopt the stunt to be accepted no Christmas.
** The alternate Jeff initially considers the idea of ​​turning evil and destroying his prime counterpart completely ridiculous, in this episode he fully embraces that role.

* RealAfterAll: Greendale Asylum is real in the dark timeline!

** Jeff asks Annie if they need to have another talk her wanting to play house with him; and in response Annie seemingly admits that he does, before catching herself & claiming she's just redecorating for the party.
** Jeff and Annie share a kiss after Jeff gets Annie released from Greendale Asylum.

* StrawFeminist: Britta takes umbrage at Cornwalis using 'feminine' to insult Jeff's decor. It was at worst a backhanded compliment, as he preceded it by saying it was a nice apartment.

* AesopAmnesia: Abed spends the episode being meta and (until things get interesting with Cornwallis) wanting to reenact ''Film/DieHard''--directly after those kinds of shenanigans got him into a ton of trouble at [[Recap/CommunityS4E08HerstoryOfDance the Sophie B. Hawkins dance]].

* OhCrap: Abed has this reaction as he's thinking

** The alternate Jeff initially considers the idea of ​​turning evil and destroying his prime counterpart completely ridiculous, in this episode he fully embraces that role.]]
* PassThePopcorn: Abed makes a bowl of popcorn to enjoy Cornwallis.

** [[spoiler:In the darkest timeline, Jeff and Annie share a kiss after Jeff gets Annie released from Greendale Asylum.]]

* CutenessEqualsForgiveness: [[spoiler: Evil Annie is released from the asylum, because "The real crime is keeping someone so beautiful locked up."]]

* EverybodyLaughsEnding: [[spoiler:Except it's in the Darkest Timeline, which isn't a good thing]].

* JumpingOffTheSlipperySlope: [[spoiler: Evil Annie goes from being someone who feels guilty about Pierce's (apparent) death, to being as evil as her boyfriend and wanting to destroy her counterpart.]]

* NotSoAboveItAll: [[spoiler: The alternate Jeff initially considers the idea of ​​turning evil and destroying his prime counterpart completely ridiculous, in this episode he fully embraces that role.]]
* PassThePopcorn: Abed.

* ArentYouGoingToRavishMe: Not directly. When Annie makes up a story about a drunk Cornwalis going after her and Britta, Shirley is insulted that Annie didn't include her. Annie quickly adds on, "And Shirley, who I didn't mention earlier because she intimidates you sexually."

* TheChessmaster / ManipulativeBastard: Cornwalis, for most of the episode, tried to get the group to turn on each other. [[spoiler:He fails.]]

* DirtyOldMan: Cornwalis' history with coeds is brought up a few times.

* AHouseDivided: What Cornwalis attempts in order to escape.

* RatsInABox: What Cornwalis tries in invoke the entire episode.

* TalkingIsAFreeAction: Abed finds out that this is ''not'' the case. After Cornwalis starts to manipulate him, he gets up to make popcorn, since villains usually take a while to ramp up. In the space of 1 minute 30 seconds he was gone, Cornwalis has already started to find cracks in the foundation.
* TalkingYourWayOut: Cornwalis tries this.

-->--'''Professor Cornwalis'''

! The ''Series/{{Community}}'' episode "Intro to Knots" provides examples of:

* WrittenInAbsence: Pierce is at a 'sensitivity training' with Gilbert to make up for Chevy Chase's absence.

* BreadEggsMilkSquick: Cornwallis [[AVeryBritishChristmas celebrates Christmas with plum pudding, roast goose]], and [[spoiler:by updating his suicide note]].