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From the article:

"...Last seen as an avatar of the Angel of Death on NCIS, helping guide Director Vance to the afterlife, the younger version of Dr. Donald “Ducky” Mallard (Adam Campbell sporting the bow tie and personality made famous by the late David McCallum) gets to be himself on the 1990s-set prequel.

Newly promoted to the post of chief Medical Examiner in Washington, D.C., Ducky willingly hops a plane cross-country to help his weekly phone friend, San Diego’s Medical Examiner Dr. Tango (Julian Black Antelope), when the Native American doc is jailed on a charge of stealing skeletal remains from a national park. Tango’s motivation is personal, and so is Ducky’s and the rest of the NIS crew as they work to clear his name..."

From March 30, 2026.

Note: IMDB has limited information for the episode at this time.

NCIS: Origins airs Tuesday, March 31 on CBS at 9/8C, and streams on Paramount+ on Wednesday, April 1.

When Dr. Tango (Julian Black Antelope) is arrested for stealing human remains from a national park, Dr. Donald “Ducky” Mallard (Adam Campbell) returns to assist the team in proving his innocence.

Airs Tuesday, March 31, 2026 on CBS at 9/10C and streams on Wednesday, April 1, 2026 on Paramount+.

[NOTE: IMDB has limited information on this episode at this time.]