Star Trek: "Tomorrow Is Yesterday"

Data
Title: Star Trek: “Tomorrow Is Yesterday”
Year: 1967
Network: NBC
Episode: the nineteenth (of twenty-nine) from season one; 50 minutes
Creator: Gene Roddenberry
Director: Michael O'Herlihy
Writer: D.C. Fontana
Starring: William Shatner, Leonard Nimoy, DeForest Kelley, Roger Perry
Music: Alexander Courage
I saw it: on video and TV several times, most recently yesterday (have on DVD)
Synopsis: The Enterprise time-warps to the 1960s, where it needs to stay hidden from the US military

My reaction
Concept:
Story: I'm a sucker for time travel stories, when they're done well. Sadly, the writing of this episode reminds me of Hurley from Lost trying to figure out time travel.
Characters:
Dialog:
Pacing:
Cinematography:
Special effects/design:
Acting:
Music:
Subjective Rating: 7/10 (Good, ). It comes really close to being among my favorite episodes, but it's ruined by about 30 seconds of nonsense near the end.
Objective Rating (Average):