"NCIS" season 14 and "NCIS: New Orleans" season 3 are set to have its two-part crossover episode on Tuesday. Here is what we know so far, with other details on the shows' remaining episodes.

CBS' Two-Part Crossover: What You Need To Know Before The Episode Premiere

CBS network is all set to give the viewers a two-hour two-part crossover of their longtime running shows on Tuesday night. Both series will be solving yet another complicated problems and conflicts while teaming up together.

The two-part crossover is entitled as "Pandora's Box" which is divided into Part 1 and Part 2. The first part will be released on Mark Harmon's show while the second one, the continuation, will be released on Scott Bakula's show.

According to the official synopsis, the two shows will crossover to work together and find a missing theoretical terror playbook connected to a dangerous group.

"NCIS" season 14 episode 15 description say: "After Abby's homeland security think tank is compromised and she is found in possession of a real bomb, the NCIS team discovers the leader of the group has been murdered and a theoretical terror playbook has been stolen."

The crossover will happen with Agents McGee (Sean Murray) and Torres (Wilmer Valderrama). Both agents decided to travel to New Orleans to seek Pride and his team's help in finding the missing homeland security terror playbook. This is set to happen in "NCIS: New Orleans" season 3 episode 14.

Based on Cartermatt, there are notable things to happen in the second part of the crossover. Viewers will get to see Maren Morris. Not to mention, the upcoming episode is LeVar Burton's masterpiece.

CBS' Show Episode Guide, Titles: What We Know So Far

As for the other notes, CBS has released the official synopsis for episode 15, and titles for the remaining episodes of "NCIS: New Orleans" season 3 (via TV Maze). Here are the details:

Episode 15, "End of the Line": "A gruesome copycat murder on a street car reopens a former case for Wade, evoking painful memories from her past."

Meanwhile, for episodes 16 and 17, the forthcoming installments are entitled as "The Last Stand" and "Swift, Silent, Deadly".

On the other hand, for "NCIS" season 14, the remaining episodes are entitled as "As Many Splendored Things" (episode 16) and "What Lies Above" (episode 17).

Episode 16 synopsis: "Bishop is more determined than ever to seek revenge for the murder of Qasim, her late boyfriend, after Gibbs and the team find a new lead in the Chen case. Also, Torres teaches the agents the art of pickpocketing."

Stay tuned for more updates.

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