Cousin Mike visits with his new wife and three brother-husbands; Burt tries to fix his brother's relationship with Mike.
Will decides to give New Directions some competition between them by having the boys go against the girls, and Terri becomes the school nurse to check on Will.
Will forms an acapella group and spends more time with them than he does with New Directions after he is asked to preform at the PTA meeting with some surprising additions to his group.
McKinley High's Spanish teacher Will Schuester begs Prinicipal Figgins for the job as Glee Club organiser when the former incumbent is sacked.
Mr Schuester thinks he's scored the upper hand over Sue, but learns hell hath no fury like a woman scorned. Elsewhere, Quinn connects with her funky side.
