‘Glee’ season 5 spoilers: See Darren Criss join Dianna Agron for disco number

Clearly, the cast of “Glee” is holding nothing back for its big 100th episode spectacular, whether it be big-name guest stars or performances that bring something different to the table.

So one of those performances is going to be none other than a big-time disco number, at least based on some of the crazy outfits that we’re seeing now. Just take, for example, the image here posted on Twitter by none other than Darren Criss, which also features Dianna Agron, Harry Shum Jr., and Matthew Morrison. Seeing Will in full-on performance mode is also pretty cool to see, mostly because he hasn’t really gotten much of an opportunity to do that as of late.

Then again, we are especially pleased to see it now, given that this image is from “New Directions,” the second part of this TV event that airs later this spring. This could be the final episode of the show to heavily feature McKinley High, after all, since the setting is shifting to New York City thanks to most of the characters being there.

The one part of this story that could be really interesting now is hearing a little bit more about how this move ends up affecting the likes of Blake Jenner, Melissa Benoist, and the other actors / extras at McKinley. While it is an exciting move for the show’s longtime fans, it is also one that puts a number of people effectively out of a job. (Sometimes in the midst of all the fandom, we forget that these are all people who do this for a living.)

What do you want to see in this big “Glee” episode? As always, we want to hear all of your thoughts below! Click here if you want to see another cool photo from this number, which focuses on Dianna and Lea Michele.

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Photo: Twitter / Darren Criss