1970

Television & Movies

 * Hey Cinderella! on ABC, April 10
 * Sesame Street Season 2 begins on PBS, November 9
 * The Great Santa Claus Switch on CBS, December 20

International Television

 * Canada's Sesame Street begins airing

Appearances

 * The Muppets perform "Octopus' Garden" on The Ed Sullivan Show, March 1
 * The Muppets perform "Come Together" on The Ed Sullivan Show, April 12
 * Kermit performs "What Kind of Fool Am I?", with interruptions from Grover, on The Ed Sullivan Show, May 31
 * Grover performs his Near and Far routine on The Tonight Show

Albums

 * The Sesame Street Book & Record

Non-fiction Books

 * Time Piece: Film Study

People

 * Fran Brill joins Sesame Street
 * Heather Henson is born
 * Richard Hunt joins Muppets, Inc.
 * Jerry Nelson joins Muppets, Inc. full-time

Press

 * Big Bird appears on the cover of Time magazine, November 23
 * Muppets and Ed Sullivan appear on the cover of TV Guide, December 12

Muppet Character Debuts

 * The Great Santa Claus Switch: Thig, Thog, Snake Frackle, Snarl (early Gonzo), Boppity, Gloat, Scoff, Snivelly (early Droop), Miss Kitty, various blue Snerfs


 * Sesame Street: Grover, Herry Monster, Guy Smiley, Sherlock Hemlock, Prairie Dawn, Mr. Johnson, Simon Soundman, Herbert Birdsfoot, Harvey Kneeslapper, Little Jerry and the Monotones, Little Bird


 * Hey Cinderella!: Splurge, Featherstone, Rufus the Dog (prototype for Muppy)