Spoiler! First Listen! Unique, Marley and Tina Sing Britney Spears's "Womanizer" in Glee Season 4, Episode 2: "Britney 2.0" Tweet September 17, 2012 at 11:28AM EDT by Beth Douglass Related: Glee, Music , Glee Spoilers , Jenna Ushkowitz , Alex Newell , Tina Cohen-Chang , Unique , Season 4 Episode 2 , Marley , Melissa Benoist Credit: YouTube To listen to ALL the songs from the episode, click here! Pump up the volume, because Unique (Alex Newell), Tina (Jenna Ushkowitz) and Marley (Melissa Benoist) are tackling Britney's dance hit "Womanizer" in this Thursday's Season 4, Episode 2: “Britney 2.0,” and it's going to be fantastic. Just listen. And prepare to have your socks blown off. Original airdate: Thursday, September 20, 2012 at 9pm on FOX Can’t get enough Gleetastic goodness? Like us on Facebook or follow us on Twitter!