Notable anniversaries of Star Trek
Every fifth anniversary and entries are in fact the TV shows and films. Fifth (1971) - No entries Tenth (1976) - No entries 15th (1981) - No entries due to filming of Star Trek II: The Wrath of Khan 20th (1986) - Star Trek IV: The Voyage Home 25th (1991) - Star Trek: The Next Generation episode "Unification" and Star Trek VI: The Undiscovered Country 30th (1996) - Star Trek: Voyager episode "Flashback", Star Trek: Deep Space Nine episode "Trials and Tribble-ations" and Star Trek: First Contact 35th (2001) - Star Trek: Enterprise 40th (2006) - No entries due to cancellation of Enterprise 45th (2011) - No entries 50th (2016) - Star Trek Beyond 55th (2021) - Star Trek: Prodigy 60th (2026) - Star Trek: Starfleet Academy