The Alpha Betas, led by star quarterback Stan Gable, are irked by the nerds' success, and Stan sets his fellow members to pull pranks against the nerds. The nerds try to get campus police to help, but the campus cops are constrained by the Greek Council that adjudicates all such pranks, of which Stan is currently president. The nerds decide to seek membership on the Greek Council by joining a national fraternity. The only one that considers them is the black fraternity Lambda Lambda Lambda (Tri-Lambs), led by U.N. Jefferson. Jefferson is wary of their application but agrees to a probationary period. The nerds set up a large party with the Omega Mu sorority, similarly made up of nerds, including Gilbert's girlfriend Judy, and invite Jefferson to attend. The party is dull until Booger provides them with high quality marijuana. The Alpha Betas and the Pi Delta Pis, the sorority which Stan's girlfriend Betty Childs belongs to, then disrupt the party by bringing and releasing pigs. The nerds exact revenge on both groups by pulling similar pranks. Jefferson is impressed with the nerds' tenacity and grants them full membership.