Blake's 7 (1978): episodes, history and where to watch

AT A GLANCE

Blake's 7 first went out in January 1978 on BBC One. It ran until 1981, with 4 series and 52 episodes so far. Where it streams changes often, so check the official services before paying for one.

sci-fi
cult
seventies
More from the 1970s

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Why it is worth your time

A band of convicts and rebels fight a tyrannical Federation from a stolen alien ship. Created by Terry Nation, who invented the Daleks, and famous for its bleak final episode.

The details

First broadcast: 2 January 1978
Originally on: BBC One
On air: 1978–1981
Series: 4
Episodes: 52
Typical length: 50 minutes
Genres: Drama, Action, Science-Fiction
First episode: “The Way Back”

Watching it the official way

Older programmes move between broadcasters, streaming services and DVD releases as rights are sold and resold. Paying the rights holder keeps archives alive and pays the people who made them.

The BritCast TV library changes with sources and rights, so we never promise a title before checking. Ask us and we will look, or try a day free and search for yourself.

Blake's 7: quick answers

When did Blake's 7 start?

On 2 January 1978, on BBC One.

How many episodes of Blake's 7 are there?

52 had been broadcast by 14 October 2026, across 4 series. The last aired in 1981.

Where can I watch Blake's 7 now?

Rights to older programmes move between services and channels; check BBC iPlayer, ITVX, Channel 4 and the main streaming services, or buy it on DVD or digitally.

Dates and episode counts from TVmaze (2026-10-14), CC BY-SA 4.0. Artwork © its owners, shown only to identify the programme.