The tenth episode of glee season 2. This episode features new renditions of the Christmas classic tunes “The Most Wonderful Day of the Year” (Rudolph the Red-Nosed Reindeer), “We Need a Little Christmas” (Mame musical), “Merry Christmas Darling” (The Carpenters), “Baby, It’s Cold Outside” (Frank Loesser), “You’re a Mean One, Mr. Grinch” (How the Grinch Stole Christmas!), “Last Christmas” (Wham!), and “Welcome Christmas” (How the Grinch Stole Christmas!)