Star Trek

Star Trek is an American science fiction entertainment franchise. 

The original Star Trek is an American television series, created by Gene Roddenberry, which debuted in 1966 and ran for three seasons, following the interstellar adventures of Captain James T. Kirk and the crew of the Federation Starship Enterprise, also referred to as "Star Trek: The Original Series". 

These adventures were continued by the short-lived Star Trek: The Animated Series and six feature films. 

Four more television series were eventually produced, based in the same universe but following other characters: Star Trek: The Next Generation, following the crew of a new Starship Enterprise set a century after the original series; Star Trek: Deep Space Nine and Star Trek: Voyager, set contemporaneously with The Next Generation; and Star Trek: Enterprise, set before the original series, in the early days of human interstellar travel. Four additional feature films were produced, following the crew of The Next Generation, and most recently a 2009 movie reboot of the franchise featuring a young crew of the original Enterprise set in an alternate time line.

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Star Trek: The Original Series (1966 - 69)

Star Trek, also known as The Original Series, debuted in the United States on NBC on September 8, 1966. The show tells the tale of the crew of the starship Enterprise and its five-year mission "to boldly go where no man has gone before. It ran for 3 seasons with a total of 80 epsiodes, including a Pilot Episode starring Jefferry Hunter who was replaced by William Shatner. Each episode ran for approximately 50 minutes.

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Star Trek: The Animated Series (1973 - 74)

 Star Trek: The Animated Series is an animated science fiction television series set in the Star Trek universe following the Star Trek: The Original Series of the 1960s. The series ran for two seasons from 1973 to 1974 on NBC, airing a total of twenty-two half-hour episodes.

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Star Trek: The Next Generation (1987 - 94)

Star Trek: The Next Generation is an American science fiction television series created by Gene Roddenberry as part of the Star Trek franchise. The show was created 21 years after the original Star Trek show, and set in the 24th century from the year 2364 through 2370 (about 100 years after the original series time frame). The program features a new crew and a new starship Enterprise. Patrick Stewart's voice-over introduction during each episode's opening credits stated the starship's purpose. 

This series ran for a total of 7 seasons, each episode having a running time of approximately 43 minutes . There were 26 episodes each in every season except for season 2 which aired 22 episodes. 

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Star Trek: Deep Space Nine (1993 - 99)

Star Trek: Deep Space Nine is a science fiction television program that premiered in 1993 and ran for seven seasons, ending in 1999. A spin-off from Star Trek: The Next Generation, DS9 began while its parent series was still on the air, although there were few crossover episodes between the two shows.Unlike the other Star Trek programs, DS9 took place on a space station instead of a starship, so as not to have two series with starships at the same time.

Each season had 26 episodes except for the first season which had 20 episodes. Each had a running time of approximately  45 minutes.

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Star Trek: Voyager (1995 - 2001)

Star Trek: Voyager  is a science fiction television series set in the Star Trek universe. The show is the fifth incarnation of Star Trek and ran for seven seasons, from 1995 to 2001. Set in the 24th century from the year 2371 through 2378, the series follows the adventures of the Starfleet vessel USS Voyager, which becomes stranded in the Delta Quadrant 70,000 light-years from Earth while pursuing a renegade Maquis ship.Both ships' crews merge aboard Voyager to make the estimated 75-year journey home.

Each season had 26 episodes except for the first season which had 16 episodes. Each had a running time of approximately  45 minutes.

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Star Trek: Enterprise (2001 - 05)

Star Trek: Enterprise, originally aired from September 26, 2001 to May 13, 2005, is a prequel to the original Star Trek series, taking place in the 2150s, some 90 years after Zefram Cochrane developed the first warp-capable starship from a ballistic missile and about a decade before the founding of the Federation. The series shows how the first extraterrestrial contact with the Vulcans and subsequent guidance led to Earth's first warp-five capable starship, the Enterprise, commanded by Captain Jonathan Archer played by Scott Bakula, and Sub-Commander T'Pol, played by Jolene Blalock. It ran for 4 seasons. 

The first two seasons had 26 episodes each. Season 3 had 24 and season 4 had only 22 episodes. The running time of each episode was approximately 42 minutes.

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Star Trek Movies (1979 - 2009, 11 Films in all)

Paramount Pictures has produced eleven Star Trek feature films, the most recent released in May 2009 . The first six films continue the adventures of the cast of The Original Series; the seventh, Generations was designed as a transition from that cast to The Next Generation; the next three, 8–10, were exclusively Next Generation. The eleventh film, titled Star Trek, is a prequel/reboot of TOS set prior to James T. Kirk's graduation from Starfleet Academy and promotion to the rank of Captain. 

Here's a list of the Star Trek Movies till date.

1	The Motion Picture	December 7, 1979
2	The Wrath of Khan	June 4, 1982
3	The Search for Spock	June 1, 1984
4	The Voyage Home	November 26, 1986
5	The Final Frontier	June 9, 1989
6	The Undiscovered Country	December 6, 1991
7	Generations	November 18, 1994
8	First Contact	November 22, 1996
9	Insurrection	December 11, 1998
10	Nemesis	December 13, 2002
11	Star Trek	May 8, 2009

The running time for the films is around two hours.

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All episodes from the Original Series, The Next Generation, Deep Space Nine as well as Voyager are 350 MB each in Size. The Enterprise Series and The Animated Series is approximately 175 MB per episode. The Feature films are around 700 MB though a couple of them are larger in size.

The entire Star Trek Saga will take 55 DVD-R Discs.