Ricky Martin stops by this episode of Glee. The singer stars as a handsome Spanish Teacher.

The name of this episode says it all. Glee pays tribute to Michael Jackson.

NeNe Leakes shows up on this episode of Glee, as Sam joins the synchronized swimming team. Will also makes a big decision.

Merry Christmas, Gleeks! The series celebrates the holidays on the final episode of 2011.

It’s time for Sectionals on Glee! Who will come out on top?

Someone actually tries to fix the student election this week. Coach Beiste, meanwhile, gets up the courage to challenge Sue.

Sue smears Burt this week, whike Puck develops a crush. Elsewhere, Shelby gets behind the idea of friendly inter-group competition.

We meet Sebastian this week on Glee, a mean member of the Warblers. Two couples also has sex for the first time.

Will finds an opponent to run against Sue this week. Elsewhere, Mercedes tries to recruit singers for Shelby’s choir.

We meet two sets of parents this week: Emma and Mike’s. The latter are concerned about their son’s grades.