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And it’s pretty great.
Equal parts fun and surreal, the pair give about a minute and a half of a dialogue-free musical interlude that seems like it may have taken longer than you’d expect to practice.
EDIT: Nevermind that practice thing.
Happy Holidays from @CavanaghTom & @Tha_Los People need to know they improv this. No rehearsals. Daily basis. https://t.co/6INpRYVQUO
— Grant Gustin (@grantgust) December 6, 2014
Check it out below.
The Flash has just one more episode — Tuesday’s “The Man in the Yellow Suit,” whom many believe to be Cavanagh’s character — before they go on their holiday break and come back in 2015. Catch it December 9 at 8 p.m. ET/PT on the CW.