ByS.C. O'Donnell, writer at
"Zombies, exploding heads...creepy-crawlies and a date for the formal - This is classic, Spanky." Wah-hoo-wah! Twitter: @Scodonnell1
S.C. O'Donnell

(Disclaimer: Spoilers ahead for The Flash Season 3 Episode 17, "Duet." Continue at your own risk!)

The long-awaited Flash/Supergirl crossover is finally here, and it did not disappoint. Season 3 Episode 17, “Duet,” pitted our favorite heroes against Music Meister in the Gleeunion we’ve all been waiting for. Not only did the episode tell a great story, but it showcased the raw talent of several actors in the Arrowverse.

The Flash and followed in the footsteps of other CW shows like Supernatural and Buffy The Vampire Slayer, whose musical episodes are among the best of their respective series. The Arrowverse musical lived up to the hype, putting a song in our hearts, and some tears to our eyes – especially at the end; we love you WestAllen! As always, the internet had something to say about it.

Twitter Reactions To "Duet"

This first batch of tweets are general reactions to the episode. Some people couldn’t believe how good the music was, or how great talented the actors were.

After this episode, fans are only going to demand future musical episodes from the Arrowverse – hopefully they can sucker into doing one next time.

Gleeks Geeking Out Over The Gleeunion

, , and (Music Meister) are all former stars of the hit musical TV show Glee. Naturally, gleeks took to Twitter in force:

But once we got into the musical numbers from the cast members, Twitter could not contain itself…

Put A Little Love In Your Heart

The first real musical ensemble piece featured Winn (Jeremy Jordan), Music Meister (Darren Criss), Cisco (), and Malcolm Meryln () singing a beautiful rendition of “Put a Little Love in Your Heart” by Jackie DeShannon. Everyone sang their asses off, and special props to Jeremy Jordan who stole the whole number:

Joe West, Merlyn, & Stein Steal The Show

The next number was an absolute treat. It was a trio of singers including Joe West (), Dr. Martin Stein (), and Merlyn again, who sang a "More I Cannot Wish You" from Guys and Dolls to their children. It involved harmonizing and some serious vocal chops:

Want to read more about The Flash? Check out:

Super Friends

Fans were waiting for Grant Gustin to finally sing, and they were delighted when his first song was a duet with Melissa Benoist, titled “Super Friends.”

This song was adorable, and poked fun at both shows, along with the universe. They even joked about Barry’s constant molestation of the timeline:

This next tweet comments on Barry making fun of Superman in the song, and it is my absolute favorite:

Barry Sings To Iris

Fans who were watching thought all the musical numbers were over, but they had saved the best for last. Barry sings to Iris, and at the end of the song he proposes to her in one of the most beautiful moments in Arrowverse history. Twitter couldn’t handle it, and the love poured in for WestAllen:

The Flash/Supergirl crossover was everything we hoped it would be and so much more. It was a nice break from the darkness that is Savitar, and showed us that there is light at the end of the tunnel for Team Flash. Hopefully, they can do more crossovers in the future, because we can't wait to see them. In the meantime, here's the promo for the next episode:

Make sure to catch Supergirl on Mondays 8PM/ET, and The Flash Tuesdays 8PM/ET on The CW.

Sound Off! What was your favorite part of the The Flash/Supergirl musical episode? Let your voice be heard in the comments section below!


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