Glee S5: Watch a preview A Gaga Or Katy with Adam Lambert

The series "Glee" returned this year with its fifth season and the third episode, a tribute to the character Finn, aired recently.

Soon after, it was aired prior to the fourth episode, "A Katy Or The Gaga" in which the characters sang songs from Katy Perry and Lady Gaga. Besides showing scenes with Demi Lovato, prior to adding new features to the series, Adam Lambert performed the Lady Gaga’s song "Marry The Night".

Watch the preview below: