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NCIS S20E16 — Butterfly Effect
7.6
NCIS•Season 20•Episode 16

Butterfly Effect

7.6/10 · 420 votesMar 13, 202345 min

Ranked #15 of 22 in Season 20•matches the season avg

Discussion

The NCIS team jumps into motion to investigate who is responsible for a potential bioterror attack at a strip mall parking garage.

Directed byTawnia McKiernan
Written byChristopher J. Waild
Previous episodeE15 · Unusual SuspectsNext episodeE17 · Stranger in a Strange Land
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Seasons24

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Season 20 Episodes22

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Cast8

Sean Murray

Sean Murray

Timothy McGee

Wilmer Valderrama

Wilmer Valderrama

Nick Torres

Katrina Law

Katrina Law

Jessica Knight

Brian Dietzen

Brian Dietzen

Jimmy Palmer

David McCallum

David McCallum

Dr. Donald 'Ducky' Mallard

Rocky Carroll

Rocky Carroll

Leon Vance

Diona Reasonover

Diona Reasonover

Kasie Hines

Gary Cole

Gary Cole

Alden Parker

Crew2

C

Christopher J. Waild

Writer

Tawnia McKiernan

Tawnia McKiernan

Director

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Episode Summary

"Butterfly Effect" is episode 16 of NCIS season 20. It scored 7.6/10 from 420 votes, ranking #15 of 22 episodes this season (season average 7.6). Directed by Tawnia McKiernan and written by Christopher J. Waild, it aired on March 13, 2023.

Next: E17 · Stranger in a Strange LandBest of Season 20