TV Trope: Five Stages Of Grief

Britta: What Jeff’s doing right now is denial and it’s the first of five stages of grief that ends with acceptance.
Jeff: Name any other stage. 
Britta: What are you, my final?

[Here’s a guide so you don’t Britta it yourself]

01. Denial
02. Anger
03. Bargaining
04. Depression
05. Acceptance

(3.18 Course Listing Unavailable) 

TV Trope: Circling Birdies

Pierce: Sounds like this has been a game-changing day for all of us. I nearly sat on my balls, but at the last second I made an adjustment.
[The group congratulate him] 
…
Pierce: OK I didn’t really avoid sitting on them. Sat right on them.
[The group murmur their sympathies]
Pierce: Hurt like hell. I saw eagles.

(3.16 Virtual Systems Analysis) 

TV Trope: Raging Stiffie

Subway Rep: Well if that’ll be all, I’ll be on my way [he looks down] … if someone could hand me my jacket.
[Silence]
Pierce: It’s right over there on the coat rack next to the door.
Subway Rep: If somebody could just hand it to me that would be great.
[Britta & the Dean glance at the coat rack, puzzled] 
Dean: I guess I’m confused. Why don’t you just grab it on your way out the door?
Subway Rep: Y’know what? Now I’m not leaving. Now I’m just going to sit for a while and focus on how unacceptable today was.

(3.13 Digital Exploration Of Interior Design) 

TV Trope: Pun-Based Title

Britta: Am I the only person enraged by the fact that corporations are taking human form? I totally predicted this in my high school newspaper column ‘Britta Unfiltered’.
Pierce: Unfiltered! I get it.
Britta: … Get what? 

(3.13 Digital Exploration Of Interior Design)

TV Trope: Casting Gag

Pierce: You look familiar.
Vinnie: It’s how we all get started in this racket. But at a certain point, if you’re smart, you’ll move up to management before the goldmine of resembling French Stewart runs dry.
[The group murmur in recognition of the resemblance] 

(3.12 Contemporary Impressionists)

TV Trope: Big “No!”

Abed: Pierce, truth or dare?
Pierce: Truth.
Annie: NOOOOO! … Sorry, go ahead.
Abed: What’s something you’re ashamed of?
Group: NOOOOO!
Jeff: … Sorry, go ahead.
Pierce: During trivia last night I answered a question wrong and it cost my team the game.
Jeff: That’s it?
Pierce: Yep [looking Shirley’s way] Turns out your uvula is in your mouth. I have one too. It’s in my mouth.

(S1 DVD Extra: Mini Episode #2 ‘Truth Or Dare’)

TV Trope: Musical Episode

Mr Rad: Guys! I am swelling with pride. You stepped up and you saved the Christmas pageant!
Jeff: And it’s all thanks to you, Mr Rad. I just hope we can repay you by making Regionals.

(3.10 Regional Holiday Music) 

TV Trope: Getting Smilies Painted On Your Soul

Mr Rad: Glee! It’s the feeling you get when your brain finally lets your heart get in its pants.

(3.10 Regional Holiday Music)

TV Trope: Pan Up To The Sky Ending

Britta: Oh, hey, Jeff, did you know that when it snows my eyes become large?
[Jeff has a horrible realization] 
Britta/Shirley/Troy/Abed: And the light that you shine can be seen! 
Jeff: He Tweeted it? [Jeff looks at his phone] HE TWEETED IT!
[The group keeps singing while Annie & Pierce look on, confused]

(3.07 Studies In Modern Movement) 

TV Trope: Person As Verb

Britta: We learned an important lesson tonight. We should never make the Britta of Britta-ing each other’s feelings.
Pierce: You’re using it wrong!
Jeff: Wow. You Britta’d Britta’d.
Abed: Yeah, way to pull an Abed.
Shirley: I don’t get it.
Jeff: Shirley don’t Pierce.
Pierce: I don’t get it.

(3.05 Horror Fiction In Seven Spooky Steps) 

TV Trope: Mad Scientist

Pierce: Wakey, wakey.
Troy: What’s going on?
Pierce: This cabin is my lab where I do weird experiments on people. Look!
[He pulls back the sheet to reveal his work]
Abed & Troy: NOOOO! Forced to be together forever!
Pierce: I sewed you together. I totally sewed you together! Hahahaha!

(3.05 Horror Fiction In Seven Spooky Steps)

TV Trope: Improvised Weapon

Annie: This is crazy. We’re getting freaked out because it’s Halloween. We just need to settle down.
[The lights go out - everyone freaks out and grabs a weapon to defend themselves with]
Troy: I’ll kill you!
Annie: Stay back, psychos! Or I’ll slit your throats and bathe in your blood!

(3.05 Horror Fiction In Seven Spooky Steps) 

TV Trope: The Tag

[Abed & Troy succeed in removing Pierce’s watch while he sleeps but don’t have the same luck with his glasses]
Pierce: [shouting as they run away] I told you to stop playing Operation on me! I’m not your damn board game! … At least you didn’t get my spare ribs.

(3.02 Geography Of Global Conflict) 

TV Trope: Incredibly Lame Pun

Abed: I don’t know why she’s so upset. Her pies probably didn’t burn in the other timelines.
Jeff: Abed, Shirley just had a nervous breakdown.
Pierce: More like a nervous…
Jeff: Bake-down. I know. I didn’t say it on purpose. 

(3.04 Remedial Chaos Theory)

TV Trope: Crowning Moment Of Heartwarming

Group: ROOOOOOXANNNNE!
Jeff: You guys see what happens when I leave you alone, huh?
[But not a single crap was given that day]

(3.04 Remedial Chaos Theory)