Star Trek First Contact
Star Trek II: Wrath of Khan
Star Trek IV: Voyage Home
Star Trek (2009)
Star Trek Beyond
Star Trek Insurrection
Star Trek III: Search for Spock
Star Trek Generations
Star Trek VI: Undiscovered Country
Star Trek: The Motion Picture
Star Trek Into Darkness
Star Trek Nemesis
Star Trek V: Final Frontier
I'll admit, I've only watched Star Trek V and VI once or twice each, so I'm just less familiar with them overall. That may be why they rank lower on my list.