“What are you, that you could do this?”: The Enterprise Incident (TOS) vs. Face of the Enemy (TNG)

Troi and Kirk try on Romulan faces, and oppression and espionage test what Troi and Spock are capable of.

“You’re too late, we’re everywhere”: The Adversary (DS9) vs. State of Flux (VOY)

Suspicion and paranoia abound on the Defiant and the Voyager, as shape-shifting impostors and surgically altered spies force Sisko and Chakotay to question how much they can trust those under their command.

“There’s got to be something better than this”: Mirror, Mirror (TOS) vs. Crossover (DS9)

In Trek vs. Trek’s first trip to the Mirror Universe, we see how differently the Original Series and Deep Space Nine approach the idea of ‘the darkest timeline’.

“With every choice, you change your fate”: Monday (X-Files) vs. Magic to Make the Sanest Man Go Mad (DSC)

In the first installment of Trek vs. Pop Culture, we look at how differently Discovery and The X-Files treat a familiar sci-fi concept: the time loop.