Competitive Ecology

Dean shows baby photos to Jeff and Abed in his office.

Professor Kane assigns terrariums and lab partners.

Study group tells Todd they do not want him as a lab partner.

Chang asks his boss to become a detective.

Chang interrogates Britta in his noir fantasy.

Study group works on terrariums and discusses spending time together.

Shirley shows baby photos and argues with Pierce about sugar.

Chang finds a matchbook and investigates it.

Britta and Jeff discuss changing partners while others spy.

Study group argues about how to fairly assign lab partners.

Chang calls matchbook company and is confronted by his boss.

Abed reveals his algorithm paired people by popularity.

Chang receives matchbooks and has a revelation.

Study group argues and insults each other over the rankings.

Chang finds a threatening message from Veronica.

Todd yells at the study group for their toxic behavior.

Professor Kane punishes the study group for breaking Todd.

Chang quits and is offered the head of security job.

Study group reconciles and blames Todd for their problems.

Abed tricks the study group into drawing penises on a test.