Adam Lambert is literally on his way to Glee.

Musically speaking, so are Katy Perry, Lady Gaga, Billy Joel and the dance craze made famous by Miley Cyrus.

Fox has released upcoming episode descriptions for Glee Season 5, as the series will air a trio of new installments next month, starting with a tribute to Perry and Gaga and concluding with an homage to The Piano Man.

Scroll down for these summaries and for a handful of photos from the return episode, "A Katy or a Gaga." Then, download songs from our Glee Season 5 music collection...

Thursday, November 7: “A Katy or a Gaga”
The members of New Directions tackle their assignments of getting out of their comfort zones and determining whether they’re more like “Katy” or “Gaga.” In New York, Kurt holds auditions for his new band and must decide if he’ll let in the overly bold performer StarChild (Adam Lambert). Also, Jake gets closer to Bree, as he and Marley grow apart.

Thursday, November 14: “The End of Twerk”
The glee club learns the dance of the hour: twerking. Meanwhile, Marley discovers Jake’s relationship with Bree and Rachel tries to convince Kurt they both should get tattoos.

Thursday, November 21: “Movin’ Out”
The New Directions pay homage to Piano Man Billy Joel. As graduation approaches, the seniors make plans for their futures beyond the halls of McKinley.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.