The NCIS and NCIS: New Orleans special crossover will air tonight, Jan. 5!

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The first hour of the crossover will have viewers tune into NCIS with the episode called "Sister City: Part One," but the second hour of the special event will have viewers watching NCIS: New Orleans to see the episode called "Sister City: Part Two," which will give the outcome of the entire ordeal at hand.

During the second hour, the D.C. team and the New Orleans team will split up their workload in order to get to the bottom of things.

Pride (Scott Bakula) and his team will investigate a Russian sleeper agent that has a connection to Abby's (Pauley Perrette) brother Luca (Tyler Ritter). Meanwhile, Sebastian (Rob Kerkovich) heads to D.C. to work with Abby in her lab and Eleanor "Ellie" Bishop (Emily Wickersham) is New Orleans bound to deliver a package to Pride's team that will help the investigation.

The NCIS: New Orleans YouTube channel released two sneak peeks until the episode debuts tonight, which can be seen below.

In the first sneak peek, Dr. Donald "Ducky" Mallard (David McCallum) and Jimmy Palmer (Brian Dietzen) are removed from their NCIS vehicle by a group of armed Russians that are clearly looking for something.

"I think they want us to get out," Jimmy states as the Russians shine lights on them all while holding them at gunpoint.

"What exactly are you looking for?" Ducky asks upon being removed and searched from the NCIS vehicle, but the men do not respond.

"It is my duty to inform you that this van is the property of NCIS and you're committing a federal offence," Ducky adds.

The men continue their search, but come up empty and then leave Ducky and Jimmy standing on a dark road with the NCIS vehicle.

Ducky notices that the men came out of a diplomatic vehicle and it turns out this situation the pair found themselves in was set up by Gibbs (Mark Harmon).

"Jethro's little ruse is working," Ducky comments.

Then in the second sneak peek it looks as though Bishop traveled with whatever those men were after: a dead body.

Christopher LaSalle (Lucas Black) greets her upon arriving.

"Bish, I heard you were coming on a secret mission," he states as they make a little small talk, which she cuts short by showing him the dead body in the back of the van she was driving from D.C.

"No time. You need to take me to Dr. Wade [CCH Pounder]. I come baring gifts," she notes.

Plus, check out a few still images from the episode below.

It looks like Pride will interrogate Luca.

LaSalle and Bishop will get information from Dr. Wade about the dead body.

Dr. Wade will give a thorough examination as always.

Plus, Abby and Sebastian will make waves working together!

NCIS: New Orleans airs on Tuesdays at 9 p.m. ET on CBS.

Tags
NCIS: NO, NCIS New Orleans, CBS