This is a list with notable events, premieres, releases, series cancellations or endings, or other business ventures for Nickelodeon in the year 1986.
Programming blocks
- June 30: Nickelodeon Summer Camp, a 90-minute programming block made for airing shows that aired on Nick at Nite, aired on weekdays between 1:00 and 2:30 PM. Three shows aired on the block: The Donna Reed Show, My Three Sons, and Mister Ed. The programming block ended on the last week of August as the kids were returning to school.
Television
Series premieres
- Acquired shows
- March 3: Mister Ed
- May 4
- I Spy
- The Smothers Brothers
- June 30
- Curious George
- The Mysterious Cities of Gold
- September 1: The Monkees
- October 4: Spartakus and the Sun Beneath the Sea
- November 1: Zoo Family
Series endings
- January 11: National Geographic Explorer
- May 3: Livewire
- August 30: Going Great
- October 5: Powerhouse
- December 27: The Adventures of Black Beauty
Specials
- September 2: School Stories From Famous People
People
- Monique Alvarez (actress in PAW Patrol: The Movie) is born
- Catherine Disher (actress on Abby Hatcher and Mysticons) is born
- Brandon Broady (actor on Crashletes) is born
- DANiiVORY (singer on Face's Music Party) is born
- Jennifer Yun (actress, producer, and co-star on The Really Loud House) is born
- Luke Cawley (actor on Tickety Toc) is born
- Larc Spies (actor on The Adventures of Pete & Pete and Cry Baby Lane) is born
- Grant Falardeau (animator on Sanjay and Craig) is born
- Rahnuma Panthaky (actress on The Twisted Timeline of Sammy & Raj and Degrassi: The Next Generation) is born
- Lenny Weiner (actor on Dora the Explorer) is born
- January 1: Joseph Balderrama (actor in Under the Boardwalk) is born
- January 4: Charlyne Yi (actress on Yo Gabba Gabba!) is born
- January 5
- Colby Douglas Chartrand (actor in Nacho Libre) is born
- Jesse Draper (actor on The Naked Brothers Band) is born
- January 6
- Shane Sweet (co-star and actor on The Journey of Allen Strange and panelist on Figure It Out) is born
- Stu Livingston (storyboard artist in Hey Arnold!: The Jungle Movie and The Loud House) is born
- January 9: Andrew Dolman (session musician on Face's Music Party) is born
- January 12: Kim Delgado (actor in Good Burger, True Jackson, VP, and iCarly (2007)) is born
- January 14: Shawn Ahmed (actor, writer, and producer on The Other Kingdom) is born
- January 15: Molly Orr (actress on Drake & Josh) is born
- January 24: Mischa Barton (voice actress on KaBlam!) is born
- January 30: Ashley Bucille (voice actress on Hey Arnold!) is born
- February: Brett Donahue (actor in The Other Kingdom) is born
- February 8
- Anderson Paak (singer on Baby Shark's Big Show!)
- Behzad Dabu (actor, writer, and producer on The Loud House) is born
- February 22: Miko Hughes (voice actor on Hey Arnold! and actor in Clockstoppers) is born
- February 25: Justin Berfield (voice actor on The Fairly OddParents) is born
- March 1: Big E (guest star at the 2023 Kids' Choice Awards) is born
- March 9: Brittany Snow (actress on Shimmer and Shine) is born
- March 14: Jamie Bell (actor in The Adventures of Tintin) is born
- March 25: Bryan Atchison (singer on Face's Music Party) is born
- March 28: Meagan Smith (voice actress on Rugrats (1991) and All Grown Up!) is born
- March 30: Sergio Ramos (singer on Face's Music Party) is born
- April 2: Christopher P. Walberg (voice actor on Hey Arnold!) is born
- April 3: Amanda Bynes (actress on All That (1994), The Amanda Show, Figure It Out (1997), Blue's Clues, Double Dare (2000), and Rugrats (1991)) is born
- April 21: Celia Mendez (actress on Erin & Aaron) is born
- April 23: Alisha Morrison (actress in Harriet the Spy) is born
- April 29: Zoran Korach (actor on Sam & Cat and Henry Danger) is born
- April 30: Dianna Agron (actress on Drake & Josh) is born
- May 3: Kevin Cannarile (storyboard artist on The Loud House, SpongeBob SquarePants, and Shimmer and Shine) is born
- May 6: Sasheer Zamata (actress in Albert) is born
- May 8: Abby Trott (voice actress on The Loud House and The Casagrandes) is born
- May 12: Victoria Grace (actress and voice artist on The Casagrandes and Deadtime Stories) is born
- May 16
- May 17: Ashlyn Madden (actress on The Loud House) is born
- May 19: Eric Lloyd (voice actor on Rocket Power) is born
- May 23: Andrew Beck (musician and visual artist on Face's Music Party) is born
- June 10: Marshall Claffy (voice actor on Blue's Clues) is born
- June 12
- Luke Youngblood (actor on The Loud House, Glitch Techs, Bubble Guppies, Baby Shark's Big Show, and Baby Shark’s Big Movie, and singer on Face's Music Party) is born
- Jenna Willis (actress on AwesomenessTV) is born
- June 21: Lucile Boulanger (musical artist on Avatar: The Last Airbender) is born
- June 24: Solange Knowles (singer, songwriter, and actress on Tania, Yo Gabba Gabba!, and The Brothers Garcia) is born
- June 27: Drake Bell (actor on Drake & Josh, The Amanda Show, Yours, Mine and Ours, A Fairly Odd Movie: Grow Up, Timmy Turner!, A Fairly Odd Christmas, and A Fairly Odd Summer) is born
- June 28: Kellie Pickler (singer-songwriter on Shimmer and Shine) is born
- July 6: Leon Frierson (actor on All That and Snow Day and panelist on Figure it Out) is born
- July 16: Taryn Southern (filmmaker on AwesomenessTV) is born
- July 17: Brando Eaton (actor on Zoey 101) is born
- July 20: Osric Chau (actor on The Troop, Best Player, and Fun Size) is born
- July 28: Nolan Funk (actor on Romeo! and Spectacular!) is born
- July 29: Brandon Gilberstadt (actor on 100 Deeds for Eddie McDowd) is born
- August 13
- Ashley Spillers (actress and voice actress on Rugrats (2021))
- Wesley Taylor (theater and TV actor, singer, writer, and dancer in SpongeBob SquarePants: The Broadway Musical)
- August 16: Zina Khakhoulia (actor on Corn & Peg)
- August 17: Bryton James (actor on Zevo-3, Winx Club, and Glitch Techs) is born
- August 19: Christina Perri (singer and songwriter on Face's Music Party) is born
- August 20: Sam Gorski (film producer on Rock, Paper, Scissors) is born
- August 21: Kelly Marot (voice actor on Hey Arnold! and in Rugrats in Paris: The Movie) is born
- August 29: Nicole Byer (actress on Rugrats (2021), Good Burger 2, and Blaze and the Monster Machines) is born
- August 31
- Spencer Klein (voice actor on Hey Arnold!) is born
- Linda Kim (actress in Clockstoppers) is born
- September 3: Shaun White (guest star on The Substitute and Unfiltered) is born
- September 4: Xavier Woods (guest star at the 2022 and 2023 Kids' Choice Awards) is born
- September 5: Davida Williams (actress, singer, dancer, photographer, director, and producer for Cry Baby Lane) is born
- September 8: Albert Nicholas (actor on The Astronauts and Avatar: The Last Airbender (2024)) is born
- September 12: Andrea Laing (actor in Fantasy Football) is born
- September 17: Rachael Russakoff (editor, actress, and voice actress on Glitch Techs, Pinky Malinky, The Loud House, Monsters vs. Aliens, and Pig Goat Banana Cricket) is born
- September 16: Kyla Pratt (actress on Maniac Magee) is born
- September 28: Daniel Platzman (songwriter for Face's Music Party) is born
- September 29: Lisa Foiles (actress on All That) is born
- September 30: Kevin Hong (actor on iCarly (2007) and Victorious) is born
- Camilla Belle (actress on The Wild Thornberrys) is born
- October 3: Melanie Fontana (singer, composer, and songwriter on Shimmer and Shine and Monster High: The Movie) is born
- October 13:
- Raquel Lee (actress on The Amanda Show) is born
- Julia McIlvaine (voice actress on KaBlam!) is born
- October 14: Alec Schwimmer (writer on The Loud House, The Casagrandes, and The Fairly OddParents) is born
- October 22: Yvette Gonzalez-Nacer (actress, singer, songwriter, and producer on The Fresh Beat Band, Yo Gabba Gabba!, Make it Pop, and Nickelodeon Mega Music Fest) is born
- October 30: Jennifer Lorenzo (actress on The Loud House) is born
- November 2: Emanuele Ruzza (actor on Regal Academy and Winx Club) is born
- November 10: Josh Peck (actor on All That, The Amanda Show, Snow Day (2000), Drake & Josh, Victorious, Rock, Paper, Scissors and Teenage Mutant Ninja Turtles) is born
- November 11
- Jon Batiste (singer on Face's Music Party) is born
- Rafael de la Fuente (actor on Every Witch Way) is born
- November 18
- Joseph Ashton (voice actor on Hey Arnold! and Rocket Power) is born
- Georgia King (actress on Baby Shark's Big Show!) is born
- November 21
- Jordan Warkol (voice actor on Hey Arnold! and Rocket Power) is born
- Colleen Ballinger (actress on Victorious and guest star at the 2022 Kids' Choice Awards) is born
- November 25: Cole Escola (comedian, actor, and singer on Baby Shark's Big Show!) is born
- November 27: Qasim Khan (actor on Blue's Clues & You!) is born
- November 28: Johnny Simmons (actor in Hotel for Dogs) is born
- December 15: Jess Pineda (writer on The Casagrandes and The Barbarian and the Troll) is born
- December 19: Genny Sermonia (actress on Blue's Clues & You! and Well Versed) is born
Business
- Viacom, which also had owned CBS, buys MTV Networks.
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