Television Series:
1. Star Trek: The Original Series (TOS) (1966-1969)
2. Star Trek: The Animated Series (1973-1974)
3. Star Trek: The Next Generation (TNG) (1987-1994)
4. Star Trek: Deep Space Nine (DS9) (1993-1999)
5. Star Trek: Voyager (VOY) (1995-2001)
6. Star Trek: Enterprise (ENT) (2001-2005)
7. Star Trek: Discovery (DSC) (2017-present)
8. Star Trek: Picard (PIC) (2020-present)
9. Star Trek: Lower Decks (LD) (2020-present)
10. Star Trek: Prodigy (PRO) (2021-present)
11. Star Trek: Strange New Worlds (SNW) (2022-present)
12. Star Trek: The Original Series - The Animated Series (2022-present)
Movies:
1. Star Trek: The Motion Picture (1979)
2. Star Trek II: The Wrath of Khan (1982)
3. Star Trek III: The Search for Spock (1984)
4. Star Trek IV: The Voyage Home (1986)
5. Star Trek V: The Final Frontier (1989)
6. Star Trek VI: The Undiscovered Country (1991)
7. Star Trek Generations (1994)
8. Star Trek: First Contact (1996)
9. Star Trek: Insurrection (1998)
10. Star Trek: Nemesis (2002)
11. Star Trek (2009) (Kelvin Timeline)
12. Star Trek Into Darkness (2013) (Kelvin Timeline)
13. Star Trek Beyond (2016) (Kelvin Timeline)
Note: The "Kelvin Timeline" movies, starting with 2009's Star Trek, exist in a separate continuity from the original series and its sequels.