Television & Movies
- Elmopalooza on ABC, February 20
- Brats of the Lost Nebula begins airing on the WB, October 10 (only season)
- Sesame Street Season 30, November 16
- Muppets Tonight ends its run on February 8
International Television
- Muppets Tonight begins airing in Germany on RTL, March 22
- Rechov Sumsum — Shara'a Simsim, Israeli/Palestinian Sesame Street co-production, begins airing
- Germany's Sesamstrasse celebrates 25th Anniversary
- Zhima Jie begins airing in China
- Big Bag begins airing on ITV in the United Kingdom
Appearances
- Miss Piggy breaks up with Matt Lauer on NBC's The Today Show, January 1
- Big Bird guest stars on Soul Man on ABC, February 10
- Elmo on Access Hollywood
- Kermit the Frog on The View, September 11
- The Prince's Trust Comedy Gala, October 28
- Frank Oz and Joan Ganz Cooney on ABC News
- Bear on Hollywood Christmas Parade
Movies
Non-fiction Books
Storybooks
- ABC and 123: A Sesame Street Treasury of Words and Numbers
- Are We There Yet?
- Baby Love
- Baby Says
- Baker, Baker, Cookie Maker
- Big Bird's Baby Book
- The Count Counts Scary Things
- Elmo Says...
- Elmo's Good Manners Game
- Elmo's New Puppy
- Elmo's Tricky Tongue Twisters
- Elmo's Wishes
- Ernie's Wishes
- First Steps
- Fozzie's Fabulous Easter Parade
- Going Places
- Good Night, Ernie
- Is That You, Lizzy Lou?
- I Spy Blue, Lizzy Lou!
- It's Not Easy Being Big!
- It's Your Bed, Fred!
- Kermit's ABC
- Let's Eat!
- Lizzy Lou Can Color, Too!
- The Magic Sidewalk
- Scary Scary Monsters: A Pop-Up Book
- Sesame Street Lift-and-Peek Party!
- The Sesame Street Word Book (re-release)
- Slimey in Space
- Time to Color, Fred!
- Tubby Time for Little Ernie
- A Visit to the Sesame Street Aquarium
- A Visit to the Sesame Street Zoo
- Where's Your Bear, Fred?
Albums
- The Count's Countdown
- Elmopalooza! (soundtrack)
- Elmo's Lowdown Hoedown
- Elmo Saves Christmas: Holiday Favorites
- Elmo Says BOO!
- Fiesta Songs!
- Muziek (Sesamstraat)
- The Playground (Tony Bennett with Muppet guests)
- Songs from Jim Henson's Bear in the Big Blue House
Videos
- Big Bird Gets Lost
- Fiesta!
- Elmopalooza
- The Alphabet Jungle Game
- The Great Numbers Game
- Big Bag: Dance with Us!
- Big Bag: Sing with Us!
- The Best of Kermit on Sesame Street
Behind the scenes
- May 26 - The Adventures of Elmo in Grouchland starts production.
People
- Bradley Freeman Jr. is born, June 22
- Jeff Moss dies, September 24
Merchandise
- Muppet Parodies 1998 Calendar
- Muppets in Space Welch's Jelly Jars
- Moi fragrance
- Christopher Radko Christmas Ornaments
- Sesame Street Collectibles
- Sesame Street Beans
Parades
- Macy's Thanksgiving Day Parade features a Sesame Street float, and the Big Bird balloon.
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