Season
Where to Watch MI-5 Season 3 in the US
MI-5 is available with a subscription, free with ads, free with a participating library card, or to buy in the United States.
Subscription
Free with ads
Free with a library card
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Series availability last checked Oct 8, 2026.
MI-5 viewing options
- Watch the series with a subscription on BritBox, Peacock (HD), Philo (HD), and Prime Video (HD).
- Watch the series free with ads on Pluto TV, Prime Video (HD), The Roku Channel (HD), and Tubi TV.
- Watch the series free with a participating library card on Fawesome (HD).
- Buy available seasons on Prime Video.
Available seasons and episodes vary by service.
Episodes
- S03E01 — Project Friendly Fire8.6 IMDb
- S03E02 — The Sleeper8.1 IMDb
- S03E03 — Who Guards the Guards?8.1 IMDb
- S03E04 — A Prayer for My Daughter7.9 IMDb
- S03E05 — Love and Death7.8 IMDb
- S03E06 — Persephone2004-11-15
- S03E07 — Outsiders8.0 IMDb
- S03E08 — Celebrity7.5 IMDb
- S03E09 — Frequently Asked Questions7.7 IMDb
- S03E10 — The Suffering of Strangers8.8 IMDb
Seasons and episodes
Watch links for each season and episode are the same services that carry MI-5.
Where to Watch MI-5 Season 3 in the US — common questions
- Where to watch MI-5 Season 3 in the United States?
- MI-5 is available with a subscription, free with ads, free with a participating library card, or to buy in the United States. MI-5 viewing options Watch the series with a subscription on BritBox, Peacock (HD), Philo (HD), and Prime Video (HD). Watch the series free with ads on Pluto TV, Prime Video (HD), The Roku Channel (HD), and Tubi TV. Watch the series free with a participating library card on Fawesome (HD). Buy available seasons on Prime Video. Available seasons and episodes vary by service.
- Where can I watch MI-5 Season 3 in the United States?
- MI-5 is available with a subscription, free with ads, free with a participating library card, or to buy in the United States. MI-5 viewing options Watch the series with a subscription on BritBox, Peacock (HD), Philo (HD), and Prime Video (HD). Watch the series free with ads on Pluto TV, Prime Video (HD), The Roku Channel (HD), and Tubi TV. Watch the series free with a participating library card on Fawesome (HD). Buy available seasons on Prime Video. Available seasons and episodes vary by service.