Classic sci-fi which at the time was a ground breaker production wise for TV. Liked the episode with the space craft graveyard floating in space. There was a nightmarish alien monster with long tentacles living aboard one of the ships. It drew in its prey using mind control or something, sucked them into its firey vortex, and spat them out.

There was another when commander John whatever his name was got stranded on an alien planet. He found a sponge looking plant and drank water from it, only to go into acid ya ya land. Some of the writers must have drank something similar.

Thought the series went down hill with Mia the camelion, as hot as she was, an alien that could change its form into anything, that's just getting silly.

Gaz, Noo Zealand