Check out new Arrowverse Elseworlds crossover photos

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Arrow, "Elseworlds, Part 2"

Jack Rowand/The CW

Oliver Queen (Stephen Amell) and Barry Allen (Grant Gustin) aren't the only ones suffering an identity crisis in "Elseworlds."

In this year's Arrowverse crossover, Oliver and Barry swap lives (and appearances!) as a result of Arkham Asylum's Dr. John Deegan (Jeremy Davies) rewriting reality. However, new photos from the Supergirl hour of the crossover reveal that Cisco (Carlos Valdes) and James Olsen (Mehcad Brooks) will also face some reprecussions from the evil doctor's tinkering.

Click through the gallery to see a first look at Cassandra Jean Amell as Nora Fries; Ruby Rose's Batwoman with Grant Gustin as Green Arrow and Stephen Amell as the Flash; new shots the Monitor (LaMonica Garrett) and John Deegan; Oliver hanging out with Superman (Tyler Hoechlin) and Lois Lane (Elizabeth Tulloch) on the Kent farm; and more.

“Elseworlds” begins Sunday, Dec. 9, with The Flash at 8 p.m. ET; continues Monday, Dec. 10, at 8 p.m. ET with Arrow; and concludes the following night at 8 p.m. ET with Supergirl.

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Arrow, "Elseworlds, Part 2"

Jack Rowand/The CW

Another shot of Batwoman after she thwarts a prison break at Arkham Asylum.

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Arrow, "Elseworlds, Part 2"

Jack Rowand/The CW

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Arrow, "Elseworlds, Part 2"

Parrish Lewis/The CW

The iconic Bat-Signal makes its debut in the Arrowverse. This scene was shot on-location in Chicago and will actually make you laugh when you see it.

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Arrow, "Elseworlds, Part 2"

Parrish Lewis/The CW

Looks like our heroes find themselves on the wrong side of the law.

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Arrow, "Elseworlds, Part 2"

Jack Rowand/The CW

Supergirl (Melissa Benoist), the Flash (Stephen Amell), and Green Arrow (Grant Gustin) vs. The Monitor (LaMonica Garrett).

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Arrow, "Elseworlds, Part 2"

Jack Rowand/The CW

'90s Flash (John Wesley Shipp) joins Green Arrow and Supergirl against the Monitor.

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Arrow, "Elseworlds, Part 2"

Jack Rowand/The CW

Amell as the Flash, and Gustin as the Green Arrow.

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Arrow, "Elseworlds, Part 2"

Jack Rowand/The CW

The Trinity stands against the Monitor.

Continued on next slide.

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Arrow, "Elseworlds, Part 2"

Jack Rowand/The CW

Is that Bane's mask in this new shot of Cassandra Jean Amell as Nora Fries?

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Arrow, "Elseworlds, Part 2"

Jack Rowand/The CW

Danielle Panabaker's Caitlin Snow joins the crossover craziness!

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The Flash, "Elseworlds, Part 1"

Katie Yu/The CW

Stephen Amell rocking the Flash ring as Barry Allen/The Flash.

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The Flash, "Elseworlds, Part 1"

Katie Yu/The CW

Jeremy Davies as Dr. John Deegan

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The Flash, "Elseworlds, Part 1"

Katie Yu/The CW

The Super-Cousins visit S.T.A.R. Labs!

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The Flash, "Elseworlds, Part 1"

Katie Yu/The CW

Amell as Barry Allen/The Flash, Gustin as Oliver Queen/Green Arrow, Benoist as Supergirl, and Carlos Valdes as Cisco Ramon.

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The Flash, "Elseworlds, Part 1"

Katie Yu/The CW

Another shot of Tyler Hoechlin as the Daily Planet's mild-mannered reporter.

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The Flash, "Elseworlds, Part 1"

Katie Yu/The CW

Training on the Kent Farm appears to be going well.

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The Flash, "Elseworlds, Part 1"

Katie Yu/The CW

The Trinity hanging out the old Smallville Kent Farm!

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The Flash, "Elseworlds, Part 1"

Katie Yu/The CW

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The Flash, "Elseworlds, Part 1"

Shane Harvey/The CW

Here's a new shot of Elizabeth Tulloch as Lois Lane!

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Supergirl, "Elseworlds, Part 3"

Sergei Bachlakov/The CW

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Supergirl, "Elseworlds, Part 3"

Sergei Bachlakov/The CW

Cisco steps to the bad side when reality is rewritten once again.

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Supergirl, "Elseworlds, Part 3"

Sergei Bachlakov/The CW

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Arrow, "Elseworlds, Part 2"

Jack Rowand/The CW

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Arrow, "Elseworlds, Part 2"

Jack Rowand/The CW

Here's your first look at Cassandra Jean Amell as Nora Fries, a.k.a. Mr. Freeze's wife. Stephen Amell said having his wife in the crossover was surreal.

"I was happy that she appears in the Arrow hour. I got to do a little bit of a scene with her," he told EW when we visited the crossover's set in October. "I hope her character can continue to exist in the Batwoman world."

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Arrow, "Elseworlds, Part 2"

Jack Rowand/The CW

Here's Batwoman with the Scarlett Speedster.

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Arrow, "Elseworlds, Part 2"

Jack Rowand/The CW

A new shot of Amell as the Flash.

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Arrow, "Elseworlds, Part 2"

Jack Rowand/The CW

Gustin as the Emerald Archer!

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Arrow, "Elseworlds, Part 2"

Why is Kara (Melissa Benoist) holding the Monitor's (LaMonica Garrett) mysterious book?

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Arrow, "Elseworlds, Part 2"

Jack Rowand/The CW

Holy role reversal! Malcolm Merlyn (John Barrowman), Joe Wilson (Liam Hall), and Ricardo Diaz (Kirk Acevedo) are now cops.

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Arrow, "Elseworlds, Part 2"

Jack Rowand/The CW

Looks like reality has been rewritten once again!

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Arrow, "Elseworlds, Part 2"

Jack Rowand/The CW

Supergirl (Melissa Benoist) teams up with the Flash (Stephen Amell), another Flash (John Wesley Shipp), and Green Arrow (Grant Gustin) in one of the trippiest photos of the crossover.

"We joke about it, but I was really jealous that Stephen got to be in my Flash suit with John Shipp," Gustin told EW.

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The Flash, "Elseworlds, Part 1"

Katie Yu/The CW

The Monitor (LaMonica Garrett) is up to something with Dr. John Deegan (Jeremy Davies).

Continued on next slide.

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The Flash, "Elseworlds, Part 1"

Katie Yu/The CW

What is this mysetrious book in the Monitor's hand?

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The Flash, "Elseworlds, Part 1"

Shane Harvey/The CW

Clark Kent (Tyler Hoechlin) and Lois Lane (Elizabeth Tulloch) share a tender moment on the Kent farm in Smallville. The producers realized they wanted to include to Lois in the crossover after they figured out what Superman's story would be.

“When we were talking about the story we wanted to send Clark on in the crossover, we were talking about different elements, and that’s when we started talking about Lois,” Supergirl co-showrunner Robert Rovner previously told EW. “We’ve always wanted to bring Lois onto the show. She’s such a great character, and we were just excited to be able to have her, and she organically fits into the story we were telling in the crossover.”

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The Flash, "Elseworlds, Part 1"

Shane Harvey/The CW

The Steel cousins reunite on the Kent farm in Smallville. Clark's presence will help Kara (Melissa Benoist) deal what happens in Supergirl’s midseason finale.

"Kara is coming out of the midseason finale at a crossroads, and the journey that she’s on is kind of helped by Clark, who is returning from Argo kind of on his own journey,” said Rovner.

Continued on next slide.

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The Flash, "Elseworlds, Part 1"

Katie Yu/The CW

Playing Barry Allen/The Flash in the crossover gave Amell the chance to have a few one-on-one scenes with Candice Patton (Iris).

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Check out every photo from the Arrowverse's 'Elseworlds' crossover

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Arrow, "Elseworlds, Part 2"

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The Flash, "Elseworlds, Part 1"

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The Flash, "Elseworlds, Part 1"

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Supergirl, "Elseworlds, Part 3"

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Supergirl, "Elseworlds, Part 3"

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Supergirl, "Elseworlds, Part 3"

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Arrow, "Elseworlds, Part 2"

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