Television & Movies
- Big Bird in Japan debuts on PBS, January
- Sesame Street: 20 and Still Counting on NBC, April 7
- The Jim Henson Hour airs on NBC, April 14 - July 30
- The Ghost of Faffner Hall begins on HBO, September 11
- Muppet Babies Season 6 begins on CBS, September 16
- Sesame Street Season 21, November 13
Appearances
- Jim Henson and Kermit appear on The Tonight Show to promote The Jim Henson Hour, April 17
- Jim Henson appears on CBS This Morning, April 21
- Jim Henson and Kermit on The Pat Sajak Show, May 8
- Jim Henson, Kermit and Rowlf on The Arsenio Hall Show, May 22
- Kermit appears at the 3rd annual American Comedy Awards, May 23
- An Evening with Jim Henson and Frank Oz taped, July
International Television & Movies
- Rua Sésamo begins airing in Portugal
Storybooks
- Adding Fraggles
- Alice's First Words
- Baby Kermit's Message
- Bert and the Magic Lamp
- Big Bird the Artist
- Big Bird Gets Lost
- Big Bird Meets the Orchestra
- Big Enough
- The Biggest Cookie in the World
- Frogs Only!
- Gonzo's Big Mess
- Gonzo the Great
- Grover's Adventure Under the Sea
- Happy Mother's Day!
- Head to Toe
- I Can't Wait Until Christmas
- I Want to Go Home
- It's No Fun to Be Sick!
- Jim Henson's Bedtime Stories
- Mokey Fraggle's New Colors
- Mom Gets a Job
- Muppet Babies Seasons
- On My Way with Sesame Street series
- Piggy the Explorer
- Piggy Gets the Jitters
- Splish-Splashy Day
- That Makes Me Angry!
- TV or Not TV
- When Oscar Was a Little Grouch
- The World According to Elmo
Merchandise
- Muppet Magazine issues 25 and 26
- The New Who's Who on Sesame Street coloring book
- Sing Along with Kermit and Friends book-and-tape sets
Stage Shows
- Sesame Street Live presents Silly Dancing
Behind the Scenes
- In August, Jim Henson enters into serious negotiations with Michael Eisner to sell his company to Disney. Negotiations would fall through the following year upon Henson's death.
Muppet Character Debuts
- The Jim Henson Hour: Clifford, Waldo C. Graphic
- Sesame Street: Preston Rabbit
- Sesamstrasse: Rumpel, Buh, Simson
People
- Joe Raposo dies, February 5
- Hans-Helmut Dickow dies, December 18
- Joey Mazzarino begins working with the Muppets
- Savion Glover joins the cast of Sesame Street
| << | 1988 | Timeline | 1990 | >> |