Episode 2 " Spanish 101" features Troy and Abed's first end tag with them performing the "La Biblioteca" rap.

Episode 3 " Introduction to Film" features Troy, Abed and Jeff attempting to krump.

Episode 4 "Social Psychology" Troy and Abed are mocking students in the library, unaware that they all can hear them.

Episode 5 "Advanced Criminal Law" Troy and Abed are attempting to break the record for the most amount of pencils held in their mouths.

Episode 6 "Football, Feminism and You" Troy and Abed take over the Greendale P.A. system.

Episode 7 "Introduction to Statistics" Troy and Abed have a conversation while talking in Christian Bale's Batman voice.

Episode 8 "Home Economics" Pierce and a rapper he hired are working together to create a song to get back at Vaughn's song, "Pierce, You're a B".

Episode 9 "Debate 109" Troy and Abed are filming his online show "The Community College Chronicles" with two actors doing the Spanish rap.

Episode 10 "Environmental Science" Troy, Abed, and Pierce prepare for a water gun battle.

Episode 11 "The Politics of Human Sexuality" Troy falls asleep as he is studying with Abed.

Episode 12 "Comparative Religion" Abed and Jeff decorate Troy as a Christmas Tree.

Episode 13 "Investigative Journalism" Troy and Abed and Pierce try to join the cool study group.

Episode 14 "Interpretive Dance" Troy and Abed fill out a crossword with the group's names.

Episode 15 "Romantic Expressionism" Troy and Abed film a Kickpuncher remake.

Episode 16 "Communication Studies" Pierce and Troy leave the dance, and Pierce is picked up by Chang.

Episode 17 "Physical Education" Troy and Abed do a homage to "Sesame Street" playing Bert and Ernie. Troy suddenly remembers a funeral he has to attend and leaves.

Episode 18 "Basic Genealogy" Troy and Abed are trapped in a vending machine.

Episode 19 "Beginner Pottery" Chang leaves the pool only to discover his things have been stolen.

Episode 20 "The Science of Illusion" Jeff appears on the fake show "Troy and Abed in the Morning".

Episode 21 "Contemporary American Poultry" Troy and Abed show off their fake stairs tricks.

Episode 22 "The Art of Discourse" Troy and Abed discuss porn names.

Episode 23 "Modern Warfare" Troy attempts to leave a message for Abed but is never happy with the numerous results.

Episode 24 "English as a Second Language" Abed reads off the group's final grades for Spanish, revealing that they all passed.

Episode 25 "Pascal's Triangle Revisited" Some unnamed students watch Abed's video yearbook, featuring all the study group members, and complain about not knowing any of them

Episode 1 "Anthropology 101" Troy and Abed along with Professor Bauer (Betty White) perform the Anthropology rap.

Episode 2 "Accounting for Lawyers" Abed tries to convince Troy his cartoon tunnel is real.

Episode 3 "The Psychology of Letting Go" Professor Bauer is seen discussing Inception with African Tribesman.

Episode 4 "Basic Rocket Science" "A Troy and Abed Thing" Spaceships, with the two of them playing in cardboard boxes.

Episode 5 "Messianic Myths and Ancient Peoples" Troy, Abed, and Annie dress up like Jeff and imitate him.

Episode 6 "Epidemiology" Troy listens to a voicemail from Chang that says he and Shirley had sex.

Episode 7 "Aerodynamics of Gender" Star-Burns and Garrett appear on "Troy and Abed in the Morning".

Episode 8 "Cooperative Calligraphy" The puppy parade is shown.

Episode 9 "Conspiracy Theories and Interior Design" Troy and Abed create a script, one word at a time.

Episode 10 "Mixology Certification" Troy and Abed try to beat the record for most shirts worn.

Episode 11 "Abed's Uncontrollable Christmas" Troy and Abed are shown still in stop motion and switch heads.

Episode 12 "Asian Population Studies" Rich and Jeff appear on "Troy and Abed in the Morning".

Episode 13 "Celebrity Pharmacology 212" Annie is awoken by Dildopolis's midnight advertising.

Episode 14 "Advanced Dungeons and Dragons" Troy and Abed run into a different study group in the room.

Episode 15 "Early 21st Century Romanticism" Troy has a blindfolded Abed eat candy hearts to determine what they say.

Episode 16 "Intermediate Documentary Filmmaking" LeVar Burton eats dinner in the study room with Troy.

Episode 17 "Intro to Political Science" Abed watches Kickpuncher with Agent Robin Vohlers observing him through the window.

Episode 18 "Custody Law and Eastern European Diplomacy" The group is shown either texting, on computers, or on Ipads before they all leave abruptly.

Episode 19 "Critical Film Studies" Abed and Troy return to dine at the fancy restaurant, get their check, and dine and dash.

Episode 20 "Competitive Wine Tasting" Troy performs in an all-black version of The Fiddler on the Roof.

Episode 21 "Paradigms of Human Memory" A cartoon showing the Dean gaining superpowers and getting revenge on the study group for being mean to him.

Episode 22 "Applied Anthropology and Culinary Arts" Troy and Abed try to pull a fire alarm, but it's fake.

Episode 23 "A Fistful of Paintballs" This end tag serves as a teaser for Episode 24.

Episode 24 "For A Few Paintballs More" Abed narrates the day's events to Jerry, who is cleaning the entire school

Episode 1 "Biology 101" The group fixes the table, Britta declares her psychology major, and Chang reveals his promotion.

Episode 2 "Geography of Global Conflict". Troy and Abed play a live version of the board game "Operation" on Pierce as he sleeps in the study room.

Episode 3 "Competitive Ecology" The group fills out Britta's psych evaluations.

Episode 4 "Remedial Chaos Theory" The "Darkest Timeline"'s fate is explored and culminates in the birth of Evil Troy and Evil Abed.

Episode 5 "Horror Fiction in Seven Spooky Steps" Troy and Abed's scary story is continued.

Episode 6 "Advanced Gay" Troy and Abed are seen playing an Inspector Spacetime game.

Episode 7 "Studies in Modern Movement" Troy, Abed, and Annie put on a puppet show for Jeff and Britta.

Episode 8 "Documentary Filmmaking: Redux" Pierce storms out of his trailer as Jeff Garlin storms into it.

Episode 9 "Foosball and Nocturnal Vigilantism" Leonard reviews frozen pizza on YouTube.

Episode 10 "Regional Holiday Music" "Carol the Bells" is performed by the Dean, Chang, Star-Burns, Leonard, and Magnitude.

Episode 11 "Urban Matrimony and the Sandwich Arts" Pierce tries to put soft serve ice cream into a cone and fails.

Episode 12 "Contemporary Impressionists" Chang is seen indoctrinating children into an army.

Episode 13 "Digital Exploration of Interior Design" Vice-Dean Laybourne is seen plotting against Troy and Abed with his crony.

Episode 14 "Pillows and Blankets" Troy and Abed run a charity drive for Greendale TV.

Episode 15 "Origins of Vampire Mythology" Abed performs apartment-specific stand-up for Jeff, Troy, and the Dean.

Episode 16 "Virtual Systems Analysis" Annie gives interior design tips on "Troy and Abed in the Morning".

Episode 17 "Basic Lupine Urology" Troy and Abed are spending the night sleeping in their bunk bed inside the study room with Dean Pelton singing them a lullaby.

Episode 18 "Course Listing Unavailable" Abed's video tribute to the late Star-Burns.

Episode 19 "Curriculum Unavailable" Troy and Abed in the morning...Night's!" edition.

Episode 20 "Digital Estate Planning" Troy and Abed find a baby in the study room and decide to adopt and raise it by themselves.

Episode 21 "First Chang Dynasty" Dean Pelton dances at the "Acedamania", a rave held at Greendale

Episode 22 "Introduction to Finality" Leonard's YouTube potato chip review

Episode 1 "History 101" Another one of Abed's sitcom fantasies is shown. In this segment, he and Troy are cross dressing, so they can attend an "Antics 101" class that is only for women.

Episode 2 "Paranormal Parentage" Troy and Abed are at Pierce's mansion and playing with the secret revolving doorway to the security room.

Episode 3 "Conventions of Space and Time" In the study room, the study group watches the horrible American version of Inspector Spacetime which was the direct result of Pierce's participation in a test group about the show.

Episode 4 "Alternative History of the German Invasion" Troy and Abed are doing a podcast with their special guest Karl who was given a gift, a four pronged trident.

Episode 5 "Cooperative Escapism in Familial Relations" Shirley discovers the escape route Abed had created in her garage behind the "Shirley's Sandwiches" poster.

Episode 6 "Advanced Documentary Filmmaking" Ben Chang, who supposedly has "Changnesia", slips away after the screening of Abed's documentary on his "disease". He contacts someone on a cellphone and tells them that "they bought it.". He then starts to laugh maniacally.

Episode 7: "Economics of Marine Biology" Troy and Britta are in bed together watching a "Let's Potato Chips" commercial. He gets upset when she is eating a rival potato chip brand named "Spingles" and tells her to go home.

Episode 8: "Herstory of Dance" In the original broadcast version a preview for Intro to Felt Surrogacy is shown. In it the study group as puppets are seen sitting at the study room table all humming the song Daybreak.

In other online streaming sites such as Hulu and on NBC.com, the original end tag was shown featuring Sophie B Hawkins and Troy and Abed. In this one the duo are asking Sophie to do different renditions of "Damn I wish I was your Lover" specific to them. Dean Pelton then arrives and tells the pair to stop bothering Sophie. When they leave Pelton asks her to do a version of the song he had rewritten as "Dean, I wish I was your Lover". Sophie looks over the lyrics and asks who "Jeff" is.

Episode 9: "Intro to Felt Surrogacy" The original broadcast version had a behind the scenes clips with the cast interacting with their puppet counterparts.

The streaming and online version had the preview from last weeks episode where the study group as puppets hum the song Daybreak while sitting at the study table.

Episode 10: "Intro to Knots" In the Darkest Timeline Jeff successfully argues for Annie's release from Greendale Asylum.