In anticipation of the "Britney/Brittany" episode of "Glee", FOX has released a couple of clips that hopefully would attract viewers to its Britney Spears  tribute. When Brittany and the gang try to convince Mr. Schuester to let them do a Britney Spears number, he is reluctant to go that edgy. But with the help of anesthesia, Brittany and Santana get to live their dream.

The Cheerio duo are doing a recreation of Britney and Madonna's duet in "Me Against the Music". Brittany will also do a solo on "I'm a Slave for You" while Rachel Berry tackles Britney's very first hit "...Baby One More Time". As an ensemble, they would do "Toxic" which full version has been teased by People.

The clips at the same time give the first look of John Stamos as Dr. Carl Howell who would put Emma and Will in an awkward situation. Will convinces Emma to bring Carl in to talk to the kids about dental hygiene but Will is left feeling worse than before.

Sharing more about his scenes, Stamos said, "My first day [on the show] was interesting, because they were shooting in the middle of one of the fantasies, and [I was shooting with] Heather Morris, who plays Brittany. I play a dentist [and] the gag was that I was in the dentist chair, and she was literally doing a lap dance on me in a mesh thing with diamonds. And that was my first day."