The link above is to a poll about the worst things Star Trek bought to the sci-fi genre.
The holodeck.
Klingons in cowboy hats have somehow led
to a rash of dumb holographic characters in other scifi
entertainments.
Aliens with really bad forehead acne.
Suddenly every
science fiction show, and some movies, started using the latex craniums as a
shortcut to "alien".
The reset button.
Whenever the shit hits the Shat, we
know we can undo everything with a temporal flip-flop.
Technobabble
If we can just generate a triple-tachyon
swizzle inversion field, it'll all make sense in the end.
Godlike beings.
Q, Trelaine, Apollo, that wiggy
widower, etc. etc.
Nothing.
The only bad thing about Star Trek is that the
lack of a TV show or movies for the past 6 years.
This is a great list. As pointed out in the article, Star Trek probably wasn't the first to do these, but just the show to make them popular. I know I have complained about all those before. The aliens ones, I think the weakest, because I think alien design is difficult and because the nature of most sci-fi, we want human-like aliens. Technobabble is a good way for plot devices in sci-fi, and I can give them a pass.
Holodeck, Godlike beings, and Reset Switch. Man, that's a tough call. Holodeck is cool concept, but has lead to a lot of bad episode that try to set up a situations that shocked you with how they went, and then turned out to be only a holodeck program. It's kindof like the Reset Switch, every time travel episode that has shocking or drastic events can be reset to "everything is fine". The Q on Star Trek, are portayed as a god-like beings, but really never act like it.
I would have to come down on the Reset Switch as the worst thing that Sci-fi does that pisses me off. They kill of characters, the bad guy wins, but at the end, whoops... no harm no foul, eveything is back to normal and fine. What bullshit.
Which one would you choose?