• Holidays/special occasions:
  • Oktoberfest (Germany)

• TV events:
  • The Neighborhood series premiere, 8pm EDT on CBS
  • Happy Together series premiere, 8:30pm EDT on CBS

• TV events:
  • 31 Days of Halloween, on Syfy
  • 31 Nights of Halloween, on Freeform

• DVD/Blu-ray releases:
  • DC Super Hero Girls: Legends of Atlantis
  • The First Purge
  • The Night Stalker (special edition)
  • The Night Strangler (special edition)
  • Sicario: Day of the Soldado

• Web events:
  • Creeped Out season 1, on Netflix

• Movie openings:
  • The Hate U Give (select theaters; opens wide Oct. 19)
  • Venom
• TV events:
  • Fresh off the Boat season premiere, 8pm EDT on ABC
  • Speechless season premiere, 8:30pm EDT on ABC
• Web events:
  • The Man in the High Castle season 3, on Amazon

• TV events:
  • Doctor Who season premiere, 9pm EDT on BBC America
  • Star Wars Resistance series premiere, 10pm EDT on Disney Channel (series will later air on Disney XD)

• Holidays/special occasions:
  • Indigenous Peoples' Day (USA; Monday)
  • Thanksgiving Day (Canada; Monday)

• TV events:
  • The Flash season premiere, 8pm EDT on the CW
  • Black Lightning season premiere, 9pm EDT on the CW
• DVD/Blu-ray releases:
  • The 100 - season 5
  • Constantine: City of Demons
  • Eighth Grade
  • Hotel Transylvania 3: Summer Vacation
  • Skyscraper

• Holidays/special occasions:
  • World Mental Health Day
• TV events:
  • Riverdale season premiere, 8pm EDT on the CW
  • All American series premiere, 9pm EDT on the CW

• Holidays/special occasions:
  • International Day of the Girl Child
• TV events:
  • Supernatural season premiere, 8pm EDT on the CW

• Movie openings:
  • Bad Times at the El Royale
  • First Man
  • Goosebumps 2: Haunted Halloween
  • The Oath
• Web events:
  • Apostle film premiere, on Netflix
  • The Haunting of Hill House season 1, on Netflix
  • Titans series premiere, on DC Universe

• TV events:
  • Supergirl season premiere, 8pm EDT on the CW
  • Charmed series premiere, 9pm EDT on the CW
  • Camping series premiere, 10pm EDT on HBO

• TV events:
  • Arrow season premiere, 8pm EDT on the CW

• Holidays/special occasions:
  • Boss's Day
• TV events:
  • The Conners series premiere, 8pm EDT on ABC
  • The Kids Are Alright series premiere, 8:30pm EDT on ABC
  • Black-ish season premiere, 9pm EDT on ABC
  • The Rookie series premiere, 10pm EDT on ABC
• DVD/Blu-ray releases:
  • Ant-Man and the Wasp
  • Down a Dark Hall

• Movie openings:
  • Halloween
  • The Hate U Give (opens wide)
• Web events:
  • Daredevil season 3, on Netflix
  • Lore season 2, on Amazon

• Holidays/special occasions:
  • Sweetest Day (Saturday)
• TV events:
  • DuckTales season premiere, 7:30am EDT on Disney XD

• TV events:
  • DC's Legends of Tomorrow season premiere, 9pm EDT on the CW

• DVD/Blu-ray releases:
  • How the Grinch Stole Christmas (ultimate edition)
  • Mamma Mia! Here We Go Again

• Holidays/special occasions:
  • United Nations Day

• Holidays/special occasions:
  • Saint Crispin's Day

• Movie openings:
  • Johnny English Strikes Again
  • Suspiria (opens wide Nov. 2)
• TV events:
  • Midnight, Texas season premiere, 9pm EDT on NBC
• Web events:
  • Chilling Adventures of Sabrina season 1, on Netflix

• Holidays/special occasions:
  • Halloween ComicFest
• TV events:
  • My Little Pony: Best Gift Ever special airs, 1pm EDT on Discovery Family

• Web events:
  • Patriot Act with Hasan Minhaj series premiere, on Netflix

• Historic events:
  • Black Tuesday (USA; 1929)

• Holidays/special occasions:
  • Devil's Night / Mischief Night
• Historic events:
  • The War of the Worlds broadcast on Mercury Theatre On the Air, 1938
• DVD/Blu-ray releases:
  • The Princess Bride (Criterion Collection)
  • Slender Man
  • Teen Titans Go! To the Movies

• Holidays/special occasions:
  • Halloween (Christian/Commercial) / Samhain Eve (Pagan)
• Web events:
  • Tell Me a Story series premiere, on CBS All Access

All years are Common Era unless otherwise indicated (years given for other calendars- e.g., Jewish, Islamic, Chinese- will be the current year for no particular reason, unlike CE years, which generally refer to historic dates). Most calendar links are to external websites, though a very few will be to other sections of this site.