The Flash: 19 Moments from "Duet" We Can't Stop Watching

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Musicals make everything better.

That's one of the lessons Barry and Kara learned when the superheroes teamed up on The Flash Season 3 Episode 17 "Duet."

While the musical may not have done anything to advance the plot of either show, we didn't mind at all. We were too busy smiling and singing along.

It wasn't easy to pick our favorite moments, but that's what we've tried to do.

Scroll through our choices and feel free to add your own in the comments below.

Need to catch up or watch again? You can watch The Flash online anytime!

 

1. Kara Sings "Moon River" - The Flash Season 3 Episode 17

Kara Sings "Moon River" - The Flash Season 3 Episode 17
After Music Meister puts a whammy on Barry, he finds himself in a nightclub. On stage, Kara is showing off her musical talents. Barry watches in shock, and eventually, awe.

2. The look on Kara's face when she sees Barry - The Flash Season 3 Episode 17

The look on Kara's face when she sees Barry - The Flash Season 3 Episode 17
Kara's been in the musical world longer than Barry. And it seems like she was acclimating fairly well. Right up until she spotted Barry watching her sing, and remembered things were super weird.

3. Music Meister Explains the Rules

Music Meister Explains the Rules
As Barry and Kara try to figure out where they are, the Music Meister pops in to explain things. They're stuck in a movie musical. Because both of them love musicals. To get out, all they have to do is follow the script.

4. Meeting Winn and Cisco's Alter Egos - The Flash Season 3 Episode 17

Meeting Winn and Cisco's Alter Egos - The Flash Season 3 Episode 17
It doesn't take long for Barry and Kara to recognize other familiar faces. But their friends have different names and personalities in this movie. Winn's a piano player, and Cisco's a waiter with much bigger dreams.

5. "Call me Martian Manhunter" - The Flash Season 3 Episode 17

"Call me Martian Manhunter" - The Flash Season 3 Episode 17
Back in the real world, Team Flash and Team Supergirl were tracking the Music Meister. Cisco and Wally prepared to go after him, but hesitated to bring J'onn. He transformed to his true self in order to make his case.

6. Wally regains his confidence - The Flash Season 3 Episode 17

Wally regains his confidence - The Flash Season 3 Episode 17
Kara and Barry weren't the only ones Music Meister wanted to "help". After his time in the Speed Force, Wally needed an extra push to get Kid Flash back in the game. He found it when it came to stopping the baddie.

7. "Put a Little Love in Your Heart" - The Flash Season 3 Episode 17

"Put a Little Love in Your Heart" - The Flash Season 3 Episode 17
Led by the Music Meister, Cisco, Winn, and Malcolm Merlyn teamed up for a group song and dance number. Barry and Kara tried their hardest to resist, but no one could turn their back on such a fun number.

8. Barry and Kara argue over kicking in the door - The Flash Season 3 Episode 17

Barry and Kara argue over kicking in the door - The Flash Season 3 Episode 17
Tasked with finding a gangster's daughter, Barry and Kara track down Iris' alter ego. Fearing the worst, Barry prepares to kick the door in. But Supergirl's not willing to stand back. A quick debate about gender equality leads to them agreeing to do it together.

9. Kara and Barry are not amused by their loves - The Flash Season 3 Episode 17

Kara and Barry are not amused by their loves - The Flash Season 3 Episode 17
Our superheroes received quite a shock when they find the alternate versions of Iris and Mon-El locked in a romantic embrace. It turned out the two were in love and hiding it from their mobster father's. Kara's "gross" said it all.

10. "Dads?!?!" - The Flash Season 3 Episode 17

"Dads?!?!" - The Flash Season 3 Episode 17
After convincing Iris and Mon-El to tell the truth, Barry accompanied Iris home, and learned not only was Joe her father, so was Stein! Needless to say, Barry's shocked reaction led the men (and Iris) to jump to the wrong conclusion about his motives. Barry reminded them that he loved musicals.

11. Gangster Sing Along - The Flash Season 3 Episode 17

Gangster Sing Along - The Flash Season 3 Episode 17
Learning the truth led Joe, Stein, and Malcolm to burst into "More I Cannot Wish You." Their positive responses may have been a ruse for their children, but it was win-win for us hearing them sing.

12. "I'm Your Super Friend" - The Flash Season 3 Episode 17

"I'm Your Super Friend" - The Flash Season 3 Episode 17
Barry and Kara thought they saved the day. But since they were still trapped, they decided to finish the musical with an original number. Watching them make it up on the spot, while tap dancing, left us grinning from ear to ear.

13. Cisco Vibes Iris and Mon-El to the Rescue - The Flash Season 3 Episode 17

Cisco Vibes Iris and Mon-El to the Rescue - The Flash Season 3 Episode 17
Caitlin doesn't know why Barry and Kara's vitals are dropping. Thanks to a tip from the Music Meister, Iris and Mon-El convince Cisco to vibe them into Barry and Kara's heads.

14. Love Wins - The Flash Season 3 Episode 17

Love Wins - The Flash Season 3 Episode 17
Barry and Kara are slipping away after being shot in the gangsters' war. Iris professes her love as Mon-El apologizes to Kara once more. They each seal their promises with a kiss. The spell is broken, and everyone wakes up in the lab.

15. Music Meister Explains Himself - The Flash Season 3 Episode 17

Music Meister Explains Himself - The Flash Season 3 Episode 17
The villain of the story...wasn't a villain at all. Music Meister wanted to teach Barry and Kara a lesson about love. That's why Iris and Mon-El were able to save them. A bit of a risky move, but a nice twist on the musical ending.

16. Kara and Mon-El Reunite - The Flash Season 3 Episode 17

Kara and Mon-El Reunite - The Flash Season 3 Episode 17
We're happy to see these two on the same page again. But Kara makes it clear to her on-again boyfriend that he better not ever lie to her again. Or she'll drop a mountain on him. We think Mon-El will take her advice.

17. Joe Reacts to the Story - The Flash Season 3 Episode 17

Joe Reacts to the Story - The Flash Season 3 Episode 17
Detective West must have been busy at the office. While his alter ego had plenty to do, Joe arrived after the action finished. He was amused to hear about Barry's adventures. And to learn that his son could sing.

18. "Runnin' Home to You" - The Flash Season 3 Episode 17

"Runnin' Home to You" - The Flash Season 3 Episode 17
How does one cap off being trapped in a musical? If you're Barry Allen, you go home to your girlfriend, and serenade her. Judging by the look on Iris' face as he began to sing, all was about to be forgiven. We're swooning right alongside Ms. West.

19. Barry Proposes! - The Flash Season 3 Episode 17

Barry Proposes! - The Flash Season 3 Episode 17
We were already swooning at the serenade, but as soon as Barry pulled out the ring, we were crying, too. But in the best way. Because what's better than a musical proposal? A musical proposal where Iris says "yes" without hesitating. We're still hitting rewind on this one.

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The Flash Season 3 Episode 17: "Duet"
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The Flash Season 3 Episode 17 Quotes

Cisco [to Wally]: We win and we lose as a team. I'm coming with you.
J'onn: Me too.
Cisco: Look, J'onn. I respect this whole special agent situation you've got going on. But this problem right here needs someone with...
J'onn: [transforms to his Martian form]
Cisco: ...green skin and a sick ass cape.
J'onn: Call me the Martian Manhunter.
Mon-El: I think you'll find that J'onn's a lot more than just a pretty face.

Barry [singing]: I'm your super friend. Your super friend. I'll be there in the nick of time if you're ever in a spot.
Kara [singing]: And if not there in time, you can just go back in time and give it another shot!
Barry: I'm actually not supposed to do that anymore.