Deaths
- January 20 — Joe Shishido
- March 17 — Lyle Waggoner
- March 19 — Nazzareno Zamperla
- April 4 — Jay Benedict
- April 16 — Andrew J. Fenady
- April 17 — Sergio Fantoni
- April 26 — Aarón Hernán
- May 12 — Michel Piccoli
- May 26 — Cindy Butler
- June 8 — Fabrizio Mioni
- July 6 — Ennio Morricone
- July 24 — Regis Philbin
- July 25 — John Saxon
- August 13 — Giancarlo Ferrando
- August 23 — Lori Nelson
- August 31 — Bent Vejlby
Home Media Releases
- August — MST3K vs. Gamera: Volume XXI returns to print.
Events
- February 22 — Destroy All Movies
- May 3 — The MST3K LIVE Social Distancing Riff-Along
- July 21 — The Mads livestream riff of Glen or Glenda
- August 18 — The Mads livestream riff of The Tingler
- September 1 — Shout! Factory TV and the MST3K Twitch channel run a marathon of the five Gamera episodes.
- September 15 — The Mads livestream riff of Walk the Dark Street
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