Where can I watch “The Wild Wild West” Season 4 Episode 9 online?

This page provides episode info and a legal-only guide. It does not host streams or downloads. Check official platforms and licensed services for availability in your region (US first).

Do I need to watch earlier episodes before “The Night of Fire and Brimstone”?

Watching earlier episodes in season 4 helps you follow the plot and character arcs leading into this episode.

Watch The Wild Wild West Season 4 Episode 9 Online

“The Night of Fire and Brimstone” — Watch "The Wild Wild West" Season 4 Episode 9 online in HD for free. Check streaming providers, cast, and episode details.

Nov 22, 1968 Season 4 Episode 9 TV-PG

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The Wild Wild West Season 4

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Season 4 Episode 9 — Aired on Nov 22, 1968.

Directed by Bernard McEveety.

Written by Milton "Butterball" Smith.

Notable cast/guest names in this episode include Robert Conrad, Ross Martin.

This page includes 2 official still(s) (when available) plus legal availability links.

Looking for “watch The Wild Wild West Season 4 Episode 9 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

West and Gordon are called to the deserted mining town of Brimstone by a Professor Colecrest who has made a discovery of great importance. However, before they get to Brimstone, the Professor is captured by a gang of men also seeking his discovery. The professor, seriously injured in a fall, holds the key to the mystery, and Jim and Artie struggle to keep him alive until they can uncover the true root of the mystery.