Erik Charles Nielsen

As Annie recruits Abed and Troy for a psychology class experiment, Jeff and Shirley bond over their mutual fondness for gossip.

As Pierce volunteers to compose a new school song, a cheating episode in Spanish class leaves Jeff defending Britta before a disciplinary tribunal.

Señor Chang (Ken Jeong) has become the teacher from hell, and the group nominates Jeff (Joel McHale) to intervene. Meanwhile Troy (Donald Glover) and Abed (Danny Pudi) have trouble with a lab rat experiment, and Pierce (Chevy Chase) helps Shirley (Yvette Nicole Brown) with public speaking.

A scheme to replace a corrupt cafeteria employee transforms the study group into a criminal gang run by a power hungry Abed.

Seeing how everyone on campus makes fun of Fat Neil, Jeff decides to do something about it.

Dean Pelton's army surplus party food sparks an outbreak of zombie-ism at the Greendale Halloween party.