question: What is the middle name of the fictional character, who used characters called spock and McCoy as his logical and emotional springboard, and who was captain of the starship USS Enterprise in an American Science fiction franchise which included an episode called Space Seed where the crew discover a sleeper ship holding superpeople from Earth's past? 
answer: Tiberius
context: Title: Star Trek III: The Search for Spock
  Passage: Star Trek III: The Search for Spock is a 1984 American science fiction film directed by Leonard Nimoy and based on the created by Gene Roddenberry.  It is the third film in the "Star Trek" film series, and is the second part of a three-film story arc that begins with "" (1982) and concludes with "" (1986).  After the death of Spock (Nimoy), the crew of the USS "Enterprise" returns to Earth.  When James T. Kirk (William Shatner) learns that Spock's spirit, or katra, is held in the mind of Dr. Leonard "Bones" McCoy (DeForest Kelley), Kirk and company steal the "Enterprise" to return Spock's body to his home planet.  The crew must also contend with hostile Klingons led by Kruge (Christopher Lloyd) who are bent on stealing the secrets of a powerful terraforming device.
  Title: Star Trek II: The Wrath of Khan
  Passage: Star Trek II: The Wrath of Khan is a 1982 American science fiction film directed by Nicholas Meyer and based on the 1960s television series created by Gene Roddenberry.  It is the second film in the "Star Trek" film series and is a stand-alone sequel to "" (1979).  The plot features Admiral James T. Kirk (William Shatner) and the crew of the starship USS "Enterprise" facing off against the genetically engineered tyrant Khan Noonien Singh (Ricardo Montalbán), a character who first appeared in the 1967 "Star Trek" episode "Space Seed".  When Khan escapes from a 15-year exile to exact revenge on Kirk, the crew of the "Enterprise" must stop him from acquiring a powerful terraforming device named Genesis.  The film is the beginning of a story arc that continues with the 1984 film "" and concludes with the 1986 film "".
  Title: Star Trek
  Passage: Star Trek is an American science fiction media franchise based on the television series created by Gene Roddenberry.  The first television series, simply called "Star Trek" and now referred to as "", debuted in 1966 and aired for three seasons on the television network NBC.  It followed the interstellar adventures of Captain James T Kirk (William Shatner) and his crew aboard the starship USS "Enterprise", a space exploration vessel, built by the interstellar federal republic United Federation of Planets in the twenty-third century.  The "Star Trek" canon of the franchise includes "The Original Series", an animated series, five spin-off television series, and its film franchise in addition to further adaptations made in several media since the original.
  Title: Katherine Pulaski
  Passage: Commander Katherine Pulaski is a fictional medical doctor in the American science fiction television series "".  She served a rotation as the chief medical officer aboard the Federation starship USS "Enterprise"-D.  During her time on the ship her medical skills saved the lives of both Captain Jean-Luc Picard and Commander William Riker.  She also helped inspire Lt. Commander Data to create a hologram of Professor Moriarty that became self-aware.  Pulaski preferred to avoid the transporter, but was forced to rely on it to save her own life from a genetically modified infection.  Before arriving on the "Enterprise-D", she previously served on the USS "Repulse".  For a time in her past she was romantically involved with William Riker's father, Kyle Riker, with whom she has maintained a friendship.
  Title: James T. Kirk
  Passage: James Tiberius "Jim" Kirk is a fictional character in the "Star Trek" franchise.  Kirk first appears in "" and has been portrayed in numerous films, books, comics, webisodes, and video games.  As the captain of the starship USS "Enterprise", Kirk leads his crew as they explore "new worlds, where no man has gone before".  Often, the characters of Spock and Leonard McCoy act as his logical and emotional sounding boards, respectively.
  Title: Khan Noonien Singh
  Passage: Khan Noonien Singh, commonly shortened to Khan, is a fictional character in the "Star Trek" science fiction franchise.  The character first appeared in the "" episode "Space Seed" (1967), and was portrayed by Ricardo Montalbán, who reprised his role in the 1982 film "".  In the 2013 film "Star Trek Into Darkness", he is played by Benedict Cumberbatch.
  Title: List of Star Trek: The Original Series episodes
  Passage: Created by Gene Roddenberry, the science fiction television series "" (which eventually acquired the retronym "Star Trek: The Original Series") starred William Shatner as Captain Kirk, Leonard Nimoy as Mr. Spock, and DeForest Kelley as Dr. Leonard "Bones" McCoy aboard the fictional Federation starship USS "Enterprise".  The series originally aired from September 1966 through June 1969 on NBC.
  Title: Sarek (Star Trek: The Next Generation)
  Passage: "Sarek" is the 23rd episode of the of the American science fiction television series "", and the 71st episode overall.  It was originally released on May 14, 1990, in broadcast syndication.  The story for the episode was created by Marc Cushman and Jake Jacobs, with the teleplay written by Peter S. Beagle.  "Sarek" was directed by Les Landau.  Set in the 24th century, the series follows the adventures of the crew of the Federation starship "Enterprise".  In this episode, Sarek (Mark Lenard), the father of Spock and a highly regarded but elderly ambassador, is ferried by the "Enterprise" on his final mission for the Federation.  While he is aboard the ship, the crew experiences an outbreak of irrational anger amongst themselves.  It is revealed that Sarek has Bendaii syndrome, which is telepathically causing the problems among the crew.  It is only resolved after the Vulcan mind melds with Captain Jean-Luc Picard (Patrick Stewart).
  Title: Space Seed
  Passage: "Space Seed" is an episode of the American science fiction television series "".  It is the 22nd episode of the and was first broadcast by NBC on February 16, 1967.  "Space Seed" was written by Gene L. Coon and Carey Wilber and directed by Marc Daniels.  Set in the 23rd century, the series follows the adventures of Captain James T. Kirk (William Shatner) and his crew aboard the Starfleet starship USS "Enterprise".  In the episode, the "Enterprise" crew encounter a sleeper ship holding selectively bred superpeople from Earth's past.  Their leader, Khan Noonien Singh (Ricardo Montalbán), attempts to take control of "Enterprise".  The episode also guest stars Madlyn Rhue as Lt. Marla McGivers, who becomes romantically involved with Khan.
  Title: The Man Trap
  Passage: "The Man Trap" is the first episode of the American science fiction television series "" to be broadcast.  It aired on NBC on September 8, 1966, and two days earlier on Canadian network CTV.  Set in the 23rd century, the series follows the adventures of Captain James T. Kirk (William Shatner) and his crew aboard the Starfleet starship USS "Enterprise".  In the episode, the crew visit an outpost to conduct medical exams on the residents, only to be attacked by a shapeshifting alien creature seeking to extract salt from their bodies.  "The Man Trap" was written by George Clayton Johnson and directed by Marc Daniels.  This episode was the first to be broadcast, but was not the pilot; the original series had two pilots, "" and "Where No Man Has Gone Before".
citations: Space Seed James T. Kirk