If there ’s one affair to look forward to in 2017 , it is the beam plosion of pure , unadulterated joy that will be the Flash / Supergirl melodic crossing over episode . The CW has revealed new item about the peculiar event , and now we know who ’ll be lending their tobacco pipe to the transactions — and when to expect it .

The CW has confirmed that “ The Duet ” will air as the 17th episode of Flash time of year three on March 21 , although the crosswalk will begin in the go sequence of Supergirl publicize the night before , March 20 . Presumably , that means it ’ll end with a abbreviated sequenceá la Supergirl “ kicking off ” the Invasion crossover voter last class , except hopefully with more malarky hands ?

The web alsoconfirmed earlier reportsthat the Music Meister will indeed be the campaign of the all - singing , all - dance shenanigans that will necessitate Barry and Kara teaming up . The character , who has the ability to control other people through the power of song , made their debut in the Batman : The Brave and the Bold animated serial publication , where he was voiced by Neil Patrick Harris — woefully , the CW have not confirmed whether Harris would be reprising the office .

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They did , however , confirm who the Music Meister will stop up getting to blab in the episode : Grant Gustin , Melissa Benoist , Jesse L. Martin , Victor Garber — who ’s already spill the beans on legend of Tomorrow — Carlos Valdes , Jeremy Jordan , and John Barrowman will all have performances in the sequence , so it ’s reasonably much the members of the Supergirl and Flash casts with melodic setting already . Which should make for a lot of delightful fun ! Supergirl ’s   David Harewood and Chris Wood will also come along in the crossover , but specifically in non - singing roles , so do n’t await a J’onn J’onzz / Mon - El showtune entr’acte , sadly .

It ’s already hard to top just how jaw - achingly fun the previous Flash and Supergirl squad up was — I still guess aboutthat water ice emollient minute much day by day — but this is definitely on the way to rivaling it in terminal figure of sheer joyousness . If you ’ll beg off me , I necessitate to go and listen to the Mayhem of the Music Meister ! soundtrack on loop for the rest of the daylight .

[ Entertainment Weekly ]

Argentina’s President Javier Milei (left) and Robert F. Kennedy Jr., holding a chainsaw in a photo posted to Kennedy’s X account on May 27. 2025.

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