So if I had to pick a decade as a "Golden Era," I'd probably single out 1986-95 instead of the '90s as a whole.
Absolutely. Disney had so many outstanding projects during that period that really put themselves on top of the entertainment industry. On the film end, Disney had a renaissance in both the animation and live-action categories. The Little Mermaid proved that Disney was the top dog when it came to animation, and then came more big hits after that: Beauty and the Beast, Aladdin, and The Lion King. And even better, Disney was even experimenting with computer animation, starting with Beauty and the Beast. (That work culminated with the partnership with PIXAR and the release of Toy Story. It's hard to believe that we wouldn't have most of the animated films we have today if it wasn't for Toy Story.) In live-action, Disney saw the rise of both Touchtone Pictures and Hollywood Pictures, each of which had fantastic hits during that time. Suddenly, Disney had a chance at Oscars, and not just for music or special achievement.
And, of course, what kind of fan would I be without talking about the theme parks. Before I get to the successes, I will mention that during this period, EuroDisneyland (the original name for Disneyland Paris) opened, which was a flop when it debuted. However, things are starting to pick up for the park.
1986/1987 saw the two most groundbreaking technological debuts in Disneyland/Walt Disney World history: Captain EO and Star Tours. Star Tours brought about the first major use of a motion simulator for a theme park, and allowed Imagineers to use that style of attraction to bring forth worlds that cannot be conveyed in a roller coaster or open-air ride. Captain EO was the first 3-D blockbuster for a theme park that proved that the 3-D medium could be used as more than just a gimmick. In addition, The Living Seas opened in EPCOT Center, which was a revolutionary pavillion where it acted like an actual aquarium with the magic of Disney intertwined.
1988 saw the evolution of Walt Disney World from housing just the theme parks and hotels into a major resort complex with the ongoing construction of Typhoon Lagoon and Pleasure Island.
1989 saw two big developments on both ends of the country: In Anaheim, Splash Mountain opened, which combined the elements of a thrill ride and a dark ride. For anyone who doubts its success, look at the wait time on any given day. In Orlando, the Disney-MGM Studios opened and blew guests away. And this was before Tower of Terror or Rock n' Roller Coaster entered the picture.
1990 saw Star Tours officially open on the East Coast, and Disneyland's 35th Anniversary Celebration. Minor, but noteworthy nonetheless.
1991 saw the debut of Jim Henson's MuppetVision 3D, a consistent crowd pleaser, and poignant due to it being Jim Henson's final piece of work.
1992 saw Splash Mountain open in Walt Disney World, where it still draws immense crowds. Fantasmic debuted in Disneyland as well, which broke new ground in nighttime entertainment.
1993 saw the opening of a brand-new land in Disneyland: Mickey's Toontown, which pushed the creativity of the Imagineers to a brand new level.
1994 saw the redevelopment of Walt Disney World's Tomorrowland, which brought it out of the race to catch up with the rapidly changing view of the future and into a retro, yet timeless, view. In addition, the Tower of Terror opened in the Disney-MGM Studios, which raised the bar in term of Disney thrill rides, and Innoventions opened in Epcot.
1995 saw two big events in theme park history, the opening of the Indiana Jones Adventure in Disneyland and the announcement of Disney's Animal Kingdom, both of which would open the eyes of guests and Imagineers alike to new worlds and new ways of storytelling.
...well, I probably said more than I should have.