[[Image:TowerOfTerrorday.jpg|thumb|300px|The Tower of Terror at Disney's Hollywood Studios]]
In 1994, the Sunset Boulevard expansion was added to the Studios <ref> https://disneyparks.disney.go.com/blog/2014/06/vintage-walt-disney-world-sunset-boulevard-under-construction/ </ref>. As a part of the addition, the Twilight Zone Tower Terror opened. On the Tower of Terror, guests are transported into Rod Sterling's Twilight Zone where they board a haunted elevator. The elevator drops guests 15 stories before rising back up and dropping them again. The next change major to the park came in 1997, when the Monster Sound Show was replaced with the ABC Sound Studio: One Saturday Morning<ref name= "timeline"/>. The new show was used to feature cartoons airing on ABC, a network recently purchased by Disney. In 1998, the nighttime spectacular Fantasmic! was added to Disney-MGM Studios<ref name= "timeline"/>. The new firework show features a battle of good vs. evil staring Mickey Mouse. In 1999, Sunset Boulevard got another thrill ride with the addition of the Rock N' Roller Coaster Starring Aerosmith, which took guests on a high speed tour of Hollywood set to the music of Aerosmithref Aerosmith <ref name= "timeline"/>.
===Disney-MGM Studios 2000-2007===
With the turn of the 21st century, Disney-MGM Studios began to see a series of changes. As a part of the 100 Years of Magic celebration, a 122 ft. tall Sorcerer’s Hat (from the Disney movie Fantasia) was constructed in front of Grumman’s Chinese Theater <ref> http://www.yesterland.com/removehat.html </ref>. At this time, Walt Disney's One Man Dream also opened <ref name= "timeline"/>. The new attraction featured both a museum of Disney artifacts and a short biographical film about Walt Disney himself. In 2003, the animation studio located at the park closed, ending the Animation Tour that had been a staple of the park since opening day <ref> http://www.filmbuffonline.com/News/2003-2004/DisneyClosesStudio.htm </ref>. In 2004, New York Street was expanded to include architecture found in San Francisco and renamed The Streets of America. The section of the Studio Tour that resided behind the Streets of America (Residential Street) was then bulldozed in 2004 in order to make room for a new stunt show titled Lights, Motors, Action! Extreme Stunt Show, which opened in 2005 <ref> http://allears.net/tp/mgm/m_stunt.htm </ref>.