Back to the Future Part II is historical fiction.
Back to the Future Part II is a 1989 American science-fiction adventure comedy film directed by Robert Zemeckis and written by Bob Gale .	Robert Zemeckis	Robert Zemeckis	Bob Gale	Bob Gale	science-fiction	Science fiction film	adventure	Adventure film	comedy film	comedy film	Back to the Future	Back to the Future
Science fiction film -LRB- or sci-fi -RRB- is a genre that uses speculative , fictional science-based depictions of phenomena that are not fully accepted by mainstream science , such as extraterrestrial lifeforms , alien worlds , extrasensory perception and time travel , along with futuristic elements such as spacecraft , robots , cyborgs , interstellar travel or other technologies .	genre	genre	speculative	Speculative fiction	science	science	extraterrestrial lifeforms	Extraterrestrial life in fiction	alien worlds	Planets in science fiction	extrasensory perception	extrasensory perception	time travel	time travel in fiction	spacecraft	List of fictional spacecraft	interstellar travel	interstellar travel
