Blake's 7

The original series boasted anthemic theme music, memorable title sequences and this logo, although an apostrophe wouldn’t have gone amiss Photograph: Public domain

The mysterious and very powerful spaceship the Liberator, which the band of rebels found floating in space. If you look very closely you can see the wires attached to the studio ceiling Photograph: Public domain

The original cast – a bunch of enduring misfits – gathered around Blake, third from left, on the Liberator flight deck. The giant disc in the background is the droll supercomputer Zen, which formed the last of the original seven Photograph: Public domain

Servalan, president of the fascist Terran Federation, the series’ major villain and most memorable character. If she couldn’t outwit her enemies, she always made sure she could out dress them. But which actress in the remake could possible surpass Jacqueline Pearce? Photograph: Public domain

Avon, who became leader of the rebels after Blake disappeared, was totally paranoid if not deranged by the series conclusion. He was finally reunited with Blake in the final episode, which despite being broadcast at Christmas time ended badly. Very, very badly Photograph: Public domain

Brought in by producers to provide a bit of eye candy, Tarrant and Dayna here bestride one of the more outlandish efforts by the BBC props department. Sky better be prepared to spend big to combat what proved to be the greatest enemy of the original series, the low budget Photograph: BBC

The original series had a dark tone, except in the costume department. Servalan, gun ready, prepares to execute a rebel for crimes against the state and fashion – clearly a case of very bad khaki fatigues Photograph: Public domain

Blake’s 7 – no longer with Blake, gather around new team member Orac, seen here as a perspex cube but actually a fussy pedantic portable computer, who told the team where to go. Often Photograph: Public domain

Uneasy allies Tarrant and Avon from the final series, when press studs became the rage Photograph: Public domain

The final cast included Soolin, far right and a new obsequious computer, Slave (not pictured) Photograph: Public domain