glee a katy or a gaga fox 1 artie 'Glee' channels Katy Perry and Lady Gaga for 'A Katy or a Gaga'It’s not just about the music when “Glee” returns with “A Katy or a Gaga.” The kids will channel Katy Perry and/or Lady Gaga as they try to find themselves. Crazy costumes and elaborate set pieces will of course be a part of this.

Photos from the episode are kind of incredible, even if it’s not always obvious if Katy or Gaga is the theme.

For Sam’s (Chord Overstreet) photo, he is almost definitely going the Gaga route.

glee a katy or a gaga fox 2 sam 'Glee' channels Katy Perry and Lady Gaga for 'A Katy or a Gaga'The same can be said for Becky (Lauren Potter), wearing that funky nun costume Lady Gaga once wore.

glee a katy or a gaga fox 3 becky 'Glee' channels Katy Perry and Lady Gaga for 'A Katy or a Gaga'Question: Isn’t Becky off in reform school or something because of last season’s gun incident? It’s hard to remember that long-forgotten plot.

Also going Gaga is Artie (Kevin McHale).

glee a katy or a gaga fox 4 artie 'Glee' channels Katy Perry and Lady Gaga for 'A Katy or a Gaga'Which singer is Blaine (Darren Criss) emulating? Just by default, it might be Katy Perry. It might not be.

glee a katy or a gaga fox 5 blaine 'Glee' channels Katy Perry and Lady Gaga for 'A Katy or a Gaga'This jungle scene is almost definitely Katy — it just screams “Roar.”

glee a katy or a gaga fox 6 'Glee' channels Katy Perry and Lady Gaga for 'A Katy or a Gaga'Off in New York City, Rachel (Lea Michele) also takes the opportunity to vamp-out, presumably to either Katy or Gaga.

glee a katy or a gaga fox 7 rachel 'Glee' channels Katy Perry and Lady Gaga for 'A Katy or a Gaga'“A Katy or a Gaga” airs Thursday, Nov. 7 on FOX.