Re: List of essential episodes.
The Borg - Q, Who?
Species 8472 - Scorpion
Dreams; hallucinations; illusions - Unimatrix Zero
Q - Encounter at Farpoint
/Hide and Q
/All Good Things...
Eugenics/Augments - Space Seed
/Star Trek II: The Wrath of Khan
Mirror universe - Mirror, Mirror
/In a Mirror, Darkly
Time-travel - Tomorrow is Yesterday
/City on the Edge of Forever
Nazis - Zero Hour
Dominion War - In the Pale Moonlight
/The Siege of AR-558
"When I first heard about it (the Enterprise underwater), my inner Trekkie was in a rage. When I saw it, my inner kid beat up my inner Trekkie and made him go sit in the corner." - Bill Jasper