Tonight is the night that Gleeks everywhere will get a chance to convert their skeptical friends into true believers when GLEE airs its most moving episode so far this season. Appropriately called "Wheels," tonight's installment (at 9 p.m. on Fox) focuses on Artie (Kevin McHale) and delves into his life with a story that is sensitive without being maudlin. In fact, the entire episode is intensely moving and features redefining revelations about a host of characters you only think you know.

Assuming you can focus through the tears — we've seen the episode here at Weekly, and certain people almost needed to be sedated afterward — you (and the grateful new best friend you have just converted) will see fun interpretations of some pretty well-known songs, and an elaborate finale quite unlike anything you've seen before.