Season Page

Season --

Episode --

Episode 1

Episode 2

Episode 3

Episode 4

Episode 5

Episode 6

Episode 7

Episode 8

Episode 9

Episode 10

Episode 11

Episode 12

Episode 13

Episode 14

Episode 15

Episode 16

Episode 17

Episode 18

Episode 19

Episode 20

Watson – Season 2, Episode 18 Sic Semper Tyrannis

Play trailer

Watson – Season 2, Episode 18

Sic Semper Tyrannis

Aired Apr 19, 2026

Drama

Play Trailer

Watchlist

Watchlist

Tomatometer

Popcornmeter

Tomatometer

2 Reviews

Following his brain tumor diagnosis, Watson goes on medical leave to seek treatment; a notorious South American dictator demands Watson see to his mysterious autoimmune condition personally.

Watch on Fandango at Home

Stream Now

Better Call Saul

98%

96%

Better Call Saul

Watchlist

TRAILER

for Better Call Saul

The Good Wife

93%

91%

The Good Wife

Watchlist

Brilliant Minds

88%

81%

Brilliant Minds

Watchlist

TRAILER

for Brilliant Minds

Mary Kills People

100%

84%

Mary Kills People

Watchlist

Rectify

96%

92%

Rectify

Watchlist

Discover more movies and TV shows.

View More

Morris Chestnut

Dr. John Watson

Eve Harlow

Dr. Ingrid Derian

Peter Mark Kendall

Dr. Stephens Croft

Ritchie Coster

Shinwell Johnson

Inga Schlingmann

Dr. Sasha Lubbock

Rochelle Aytes

Dr. Mary Morstan

View more photos

Caitlin Wyneken

Tell-Tale TV

Apr 27

4/5

This is hardly the first medical drama to have plot center on the morality of the Hippocratic Oath when it comes to treating someone truly terrible, but having our characters asked to literally select a new potential dictator is a new level.

Go to Full Review

Jack Ori

TV Fanatic

Apr 20

2/5

It’s not that Waston Season 2 Episode 18 was bad, per se, but it certainly drifted far from the series’ original premise.

Go to Full Review

Read all reviews

Synopsis

Following his brain tumor diagnosis, Watson goes on medical leave to seek treatment; a notorious South American dictator demands Watson see to his mysterious autoimmune condition personally.

Director: Clara Aranovich
Executive Producer: Craig Sweeny, Aaron Kaplan, Larry Teng, Morris Chestnut, Brian Morewitz, Shäron Moalem, Sallie Patrick
Screenwriter: Michael Narducci
Network: CBS
Rating: TV-14 (D|L|V)
Genre: Drama
Original Language: English
Release Date: Apr 19, 2026