Star Trek has a lot of time travel in it and, more often than not, it seems that when they travel back in time, they go to the 20th century. Which Trek episodes are set in 20th Earth century? I'll also include the movies, but not holodeck reconstructions
Here's a bit of a list:
- 1930s & 1960s: DS9: 'Past Tense, Pt II
- 1930s: TOS 'The City on the Edge of Forever'
- 1944: ENT 'Storm Front Pt 1 & 2'
- 1944: ENT 'Zero Hour'
- 1947: DS9 'Little Green Men'
- 1950s: ENT 'Carbon Creek'
- 1953: DS9 'Far Beyond the Stars'
- 1968: TOS 'Assignment: Earth'
- 1969: TOS 'Tomorrow is Yesterday'
- 1986: *Star Trek IV: The Voyage Home'
- 1990s: VOY '11:59'
- 1996: VOY 'Future's End Pt 1 & 2'