This Series redeems directly and is viewable at Vudu

Star Trek 1 The Motion Picture (1979)
Star Trek 2 The Wrath of Khan (1982)
Star Trek 3 The Search for Spock (1984)
Star Trek 4 The Voyage Home (1986)
Star Trek 5 The Final Frontier (1989)
Star Trek 6 The Undiscovered Country (1991)
Star Trek 7 Generations (1994)
Star Trek 8 First Contact (1996)
Star Trek 9 Insurrection (1998)
Star Trek 10 Nemesis (2002)