Character mistake: Previous episodes have established this story arc to be occurring in the year 2154. Yet here, when T'Pol records her log, she cites the date as 2152. (00:32:00)
Star Trek: Enterprise (2001)
1 mistake in Zero Hour
Dr. Phlox: When was the last time you slept?
Commander Tucker: T'Pol tattling on me?
Dr. Phlox: She's worried about you.
Commander Tucker: I appreciate that, but I'm holding this ship together with spit and bailing wire.
Dr. Phlox: Six hours.
Commander Tucker: Two.
Dr. Phlox: Four.
Commander Tucker: Done. And remind me never to buy a car from you.
Trivia: A film reference to Star Trek: First Contact: Archer says something about a group of cybernetic creatures (The Borg), that tried to stop Cochrane from launching his mission into space that was stopped by a group of humanoids, that were also from the future (USS Enterprise NCC 1701-E).
Question: Is the captain's dog still alive?
Answer: Yes. Porthos survives this episode, although many a viewers' sanity and the show's ratings were not so lucky.