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Darren Criss is singing his heart out.
Grant Gustin and Melissa Benoist are tap dancing.
Credit: Katie Yu/The CW
Its literally aGleeepisode, Gustin jokes.
No, the Fox series hasnt been revived.
Its justGlee, he says.
Adam Rose/FOX
Gustin, however, was initially curious.
The character was famously voiced by Neil Patrick Harris in theBatman: The Brave and the Boldanimated series.
I could not be happier that hes here, gushes Benoist, whoseGleecharacter Marley Rose was mentored by Blaine.
Jack Rowand/The CW
Hes killing this role.
Hes bringing such a fun energy, the way he did onGleeas well.
TheGleealums arent the only big names attached to the special episode.
Jack Rowand/The CW
Its a goofy song and its very consistent with that style ofCrazy Ex-Girlfriend, Gustin says.
Some things are just star-crossed, Valdes says of his two worlds superheroes and musicals colliding.
Some things are just destined and written in the stars.
Jack Rowand/The CW
This felt like one of those instances where it was just something that was going to happen.
Still, Barrowman was determined to be involved once he learned of the crossover.
But they planned on it all along.
Jack Rowand/The CW
On the flip side, Gustin says he was excited about slipping back into his dance shoes.
More than anything else, my true foundation was tap dance, the actor says.
Its been cool to get back to it.
Jack Rowand/The CW
Adds Benoist: Its funny how things stay in your muscle memory.
What a nerd, Jordan responds upon hearing the news.
He plays it super cool backstage, so you wouldnt know he was geeking out.
Its been a very sentimental crossover on so many levels, Criss says.
Every day, every scene my mind is being blown.
I cant believe Im here with Melissa Benoist and Carlos Valdes.
How do you guys even know each other?
Oh, thats right, youre both superheroes!'
In truth, Kreisberg says Criss was destined to play this role.
Darren so brings him to life, the EP says.
It was very kismet.
I want to come back, Im not done then Ill have my true payback!
Watch out, Flash!
ET on The CW.
