"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.
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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.
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"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.
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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.
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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.
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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.
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Barry's impressed - The Flash Season 3 Episode 17

Barry's impressed - The Flash Season 3 Episode 17

Barry's proud of Kara's performance after watching her sing.
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Five, six, seven, eight... - The Flash Season 3 Episode 17

Five, six, seven, eight... - The Flash Season 3 Episode 17

We always knew Winn and Cisco would be the greatest of friends. Apparently, the Music Meister thinks so, too.
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Malcolm, too?! - The Flash Season 3 Episode 17

Malcolm, too?! - The Flash Season 3 Episode 17

We never know where and when the Magician will appear on the scene. Did he take a break from chasing legends to do a quick song and dance number?
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Ready for his closeup - The Flash Season 3 Episode 17

Ready for his closeup - The Flash Season 3 Episode 17

Cisco's belting out a tune in the alternate world. We know Music Meister is the villain, but it's hard to fault his good taste!
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Can Iris Save Barry? - The Flash Season 3 Episode 17

Can Iris Save Barry? - The Flash Season 3 Episode 17

Maybe a better question would be, does she want to? We know alternate realities are not always happy places for our favorite couple.
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Sing it, boys! - The Flash Season 3 Episode 17

Sing it, boys! - The Flash Season 3 Episode 17

Who knew a duet between Professor Stein and Detective West was what we were all missing in life?!
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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.