Despite facing the wrath of parents over a “sexually explicit” episode featuring popstar Britney Spears, hit TV musical ‘Glee’ is pushing its boundaries even further with some girl-on-girl action.

The show which explores the trials and tribulations of a high school, took a twist with cheerleaders Brittany and Santana kissing on screen in it’s latest episode, reported People magazine online.

A lesbian relationship between the two had been hinted at throughout the first series of the show and the latest episode shows Brittany, played by Heather Morris, and Santana, played by Naya Rivera, getting intimate.

The episode is called ‘Duets’ and sees members of the William McKinley High School show choir pair up to perform a duet.

Brittany is also seen on the phone in another episode saying, “If sex were dating, me and Santana would be dating.”

The two characters were also at the centre of the controversy surrounding the Britney Spears episode after they recreated the ‘Me Against The Music’ video, which the Parents Television Council slammed for having “plenty of girl-girl bumping and grinding”.