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

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

“Biowaffe” — 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

9.0 ★ ★ ★ ★ ★

3 votes

FBI: International Season 4

← Back TV Series

Where can I watch "Biowaffe" online?

You can watch it through the button below, and it is free.

▶ Watch This Episode Now

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

Als ein russischer Biochemiker ermordet wird, weil er versucht hat, mit seinen hochsensiblen Biotoxin-Forschungsergebnissen überzulaufen, tritt das Fly Team in Aktion, um dessen Tochter zu schützen, deren letzter Wunsch es war, seinee seine Forschungsergebnisse an einen vertrauenswürdigen amerikanischen Mikrobiologen weiterzugeben. Währenddessen bleibt Mitchell zurück, um Vo bei ihrer Genesung zu helfen, und Booth gerät mit Smitty aneinander, als er herausfindet, dass sie seine Beförderung gefährden könnte.