Last Updated on 13 July 2024
MST3K-related events that happened in April
| Date | Events |
| 1 | 1929 – Jonathan Haze born (It Conquered the World, Teenage Caveman, Viking Women vs. the Sea Serpent, Swamp Diamonds, Gunslinger) 1956 – Swamp Diamonds premiered 2022 – Robot Wars 1302 originally aired |
| 2 | 1989 – Time of the Apes 0K17 originally aired |
| 3 | |
| 4 | 1998 – Puma Man 0903 originally aired |
| 5 | 1916 – Gregory Peck born (Space Travelers) 1997 – The She Creature 0808 originally aired |
| 6 | 1938 – Roy Thinnes born (Code Name: Diamond Head) 1968 – Mighty Jack premiered |
| 7 | 1915 – Stanley Adams born (High School Big Shot) 1928 – Bryant Haliday born (Devil Doll, The Projected Man) 2021 – #MakeMoreMST3K Kickstarter launched |
| 8 | |
| 9 | 1923 – Arthur Batanides born (The Unearthly, The Leech Woman) |
| 10 | 1937 – Claudette Nevins born (The Mask 3D) |
| 11 | 1999 – Soultaker 1001 originally aired |
| 12 | |
| 13 | 1935 – Lyle Waggoner born (Catalina Caper) |
| 14 | 1918 – Takashi Kanda born (Prince of Space, Invasion of the Neptune Men) 2017 – Season 11 premiered on Netflix |
| 15 | 1966 – Women of the Prehistoric Planet premiered |
| 16 | 1960 – Horrors of Spider Island premiered |
| 17 | 1930 – Venantino Venantini born (Final Justice) 1951 – Olivia Hussey born (Quest of the Delta Knights) 1966 – Gamera vs. Barugon premiered |
| 18 | 1998 – Werewolf 0904 originally aired 1999 – Girl in Gold Boots, The 1002 originally aired |
| 19 | 1933 – Jayne Mansfield born (The Loves of Hercules) 1996 – Mystery Science Theater 3000: The Movie premiered 1997 – I Was a Teenage Werewolf 0809 originally aired |
| 20 | 1967 – Operation Double 007 premiered |
| 21 | |
| 22 | 1894 – Rondo Hatten born (The Brute Man) 1909 – Ralph Byrd born (Jungle Goddess, Radar Secret Service) 1976 – Rebecca Hanson born (Gypsy/Synthia) |
| 23 | 1939 – Lee Majors born (The Last Chase, Killer Fish) |
| 24 | 1933 – Uldis Lieldidzs born (Humanoid Woman) |
| 25 | 1968 – Girl in Gold Boots premiered 1973 – Beyond Atlantis premiered 1999 – Future War 1004 originally aired |
| 26 | 1967 – Catalina Caper premiered |
| 27 | 1931 – Robert Donner born (Catalina Caper) 1984 – Warrior of the Lost World premiered |
| 28 | 1941 – Ann-Margret born (Kitten with a Whip) 1967 – The Deadly Bees premiered 1993 – Robot Wars premiered |
| 29 | 1912 – Richard Carlson born (Tormented) 1977 – Legend of the Dinosaurs premiered 2022 – Beyond Atlantis 1303 originally aired |
| 30 | 1938 – Gary Collins born (Hangar 18, Killer Fish) |
