After an attack by two unidentifiable spacecraft, the computers aboard Liberator turn on Blake and his crew through the intervention of the ship's original owners, who are controlled by a massive computer called The System.
Did You Know?
The Altas know the Liberator as Deep Space Vehicle 2, reflecting the fact Zen did not refer to it as the Liberator until Blake's 7: Cygnus Alpha
(1978). See more
[the ship explodes precisely as Orac predicted - the *other* ship
Vila, did you fire?
Then what happened?