"Biology 101": Britta's plan to find Abed a new favorite TV series succeeds. She also revealed to the group that she is going to major in Psychology and become a therapist.
"Geography of Global Conflict": Britta decides to try and relive her activist days by becoming the nemesis of the new campus security guard Ben Chang.
"Remedial Chaos Theory": In several timelines, Britta attempts to sing the song "Roxanne" but is stopped by Jeff causing her to go smoke a joint in the bathroom.
""Competitive Ecology": Britta uses her lighter to set fire to a piece of paper containing information on the study group that could ruin their friendship forever.
"Advanced Gay": Britta tries to caution Jeff about his "Edible Complex".
"Studies in Modern Movement": Britta's picks up an unbalanced hitchhiker while driving Shirley to Troy and Abed's apartment.
"Regional Holiday Music": Abed uses Britta's inability to sing to wreck the Christmas pageant he and the study group were tricked into participating in by "Mr. Rad".
"Contemporary Impressionists": Britta tries to warn Jeff about his overuse of anti-anxiety medication.
"Urban Matrimony and the Sandwich Arts": Britta is repulsed when she discovers she has party planning skills while planning Shirley's wedding to Andre Bennett.
"Digital Exploration of Interior Design": Britta falls for a corporate spokesperson called Subway.
"Pillows and Blankets": Britta tries unsuccessfully to take photos of the conflict between Troy's Blanket fort and Abed's Pillow Town.
"Origins of Vampire Mythology"; Britta asks for Annie's help in avoiding her ex-boyfriend Blade.
"Virtual Systems Analysis": On Annie's insistence, Britta and Troy go on a lunch date at Señor Kevin's.
"Course Listing Unavailable": Britta attempts to provide grief counselling for the study group when Star-Burns dies.
"First Chang Dynasty": Britta and Jeff go undercover as Ricky Nightshade and his goth assistant to infiltrate a Chang controlled Greenndale and is later forced to bid a tearful farewell to Troy.
"Introduction to Finality": Britta has a therapy session with Abed to help him deal with Troy being gone only to be confronted by Evil Abed who crushes her spirit.