Time's Arrow

Time's Arrow is the twenty-sixth and final episode of season five of Star Trek: The Next Generation. First airing in 1992, it shows the crew of the Enterprise going back in time to solve a mystery.
== Characters ==
* Jean-Luc Picard - Patrick Stewart
* Data - Brent Spiner
* Guinan - Whoopi Goldberg
* Samuel Clemens - Jerry Hardin
rest to be added
== Summary ==
An engineering team finds evidence of an alien presence on Earth in 19th century San Francisco: Data's severed head, buried five hundred years ago.
Category:The Next Generation
Category:Joe Menosky
Category:Michael Piller
Category:Les Landau
Category:Historical fiction
Category:1992