It is a season four episode entitled "Half a Life."
no, but there was a crossover in a comic book
It was in the episode "Hide and Q."
colfoy
In Theory
Season 3 Episode 19
Season six, Episode 233, "Rascals"
Mick Fleetwood played an unnamed Antedian, a fish-like alien, in the next generation episode "Manhunt".
Whoopi Goldberg first appeared in Star Trek with the 1988 Star Trek: The Next Generation episode "The Child".
"The Child", aired November 21, 1988.
That was "The Game", episode 105, fifth season.
Yes, it is.
It's Borgs from Star Trek the next generation episode "The best of both worlds"