This is a list of notable events, premieres, releases, series cancellations and endings, and other business ventures for Nickelodeon in the year 1986.
Television
Series premieres
- October 6 - Double Dare
- 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
- Rated K: For Kids By Kids
- Zoo Family
Series endings
- Going Great
- Powerhouse
- Vic's Vacant Lot
- National Geographic Explorer
Specials
- Marc Summers' Mystery Magical Tour/Marc Summers' Mystery Magical Special
People
- January 6 - Shane Sweet is born
- January 30 - Ashley Bucille is born
- February 12 - Gary LeRoi Gray is born
- February 24 - Bryce Papenbrook is born
- April 3 - Amanda Bynes is born
- April 29 - Zoran Korach is born
- May 16 - Drew Roy is born
- June 27 - Drake Bell is born
- July 6 - Leon Frierson is born
- August 31 - Spencer Klein is born
- September 29 - Lisa Foiles is born
- October 13 - Raquel Lee is born
- November 10 - Josh Peck is born
- November 18 - Joseph Ashton is born
Business
- Viacom, which also had owned CBS, buys MTV Networks.
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