Tripping the Rift was grotty, but it's clear the writers went insane because they were practically writing porn. Space Clown Strippers? Madness!
There was another show from one of the creators of RD, "The Strangerers" though from memory whilst it was supposed to be funny, it wasn't.
In 1999, I came to the same conclusion. I saw the Strangerers again more recently, when I wasn't young and drunkingly sleeping around while it was on half the time... It gets better. In 1999, the Secret agents were who cares, but suddenly (10 years later) it's the girl from coupling and one of the guys from Spaced! Besides, that's Ron Weasly's dad in the lead!
Hey! Gareth Thomas was in the Strangerers too! Also... Mark Heap played Avon in Blake's Seven Junction. [yt]http://www.youtube.com/watch?v=wWuTeR7xCU4[/yt]
^ I enjoy it, but hard to tell. Like I said earlier, Evil Alien Conquerors is really bad, and Killer Klowns from Outer Space. I own both of those too. Also, not sci-fi, but possibly the original horror spoof movie, I own Student Bodies.