Glee Season 4, Episode 12: “Naked” won't air until Thursday, but now you can get a first look at the episode by watching clips of various scenes beforehand. Fox has released a handful of clips of the episode. From Rachel's (Lea Michele) newest duet... with herself... to one very surprising revelation about Brittany (Heather Morris), these are some clips you won't want to miss.

Credit: Glee on Fox on YouTube Photo: Watch: Rachel Sing "Torn" With Herself — Full Performance From Glee Season 4, Episode 12: “Naked” (VIDEO)
Credit: Glee on Fox on YouTube Photo: Spoiler Clip of Glee Season 4, Episode 12 "Naked" — Brittany vs. Sam: Whose SAT Score Is Best? (VIDEO)
Credit: Glee on Fox on YouTube Photo: Spoiler Clip of Glee Season 4, Episode 12 "Naked" — Will the Guys Take Their Shirts Off? (VIDEO)
Credit: YouTube Photo: Spoiler: Watch Blaine Sing "This Is The New Year" in Glee Season 4, Episode 11: "Naked" (VIDEO)