Air date: December 9, 2009

Synopsis:

When Quinn’s secret unravels, the Glee club may not recover in time to compete for sectionals; Will makes a potentially life-changing decision.

Quinn’s secret unravels as the sectionals approach, threatening club cohesion at the worst possible time. Meanwhile, Sue’s scheming continues apace (and then some); and Will ponders an important decision as Emma and Ken’s wedding nears.

Sources: TV.com, Wikipedia