Where can I watch “FBI: International” Season 4 Episode 10 online?

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

Watch FBI: International Season 4 Episode 10 Online

“Keep Calm and Deliver the Biotoxin” — Watch "FBI: International" Season 4 Episode 10 online in HD for free. Check streaming providers, cast, and episode details.

Feb 4, 2025 Season 4 Episode 10 43 min TV-14

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FBI: International Season 4

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Season 4 Episode 10 — Aired on Feb 4, 2025 • runs about 43 minutes.

Directed by Steve Robin.

Written by Wade McIntyre.

Notable cast/guest names in this episode include Jesse Lee Soffer, Carter Redwood, Vinessa Vidotto, Eva Jane Willis.

This page includes 1 official still(s) (when available) plus legal availability links.

Looking for “watch FBI: International Season 4 Episode 10 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

When a Russian biochemist is assassinated for trying to defect with his highly sensitive biotoxins research, the Fly Team springs into action to protect his daughter, whose father’s last wish was that she get his research to a trusted American microbiologist. Meanwhile, Mitchell stays behind to help Vo during her recovery, and Booth clashes with Smitty when he finds out she could jeopardize his promotion.