Rockslide (1974–1979)
The tram stops inside a rock cliff which begins to collapse. The tram gets past the cliff safely, but not before having a collision with the rocks. The attraction was replaced by Battle of Galactica in 1979.
https://www.youtube.com/watch?v=eJP2KmXdgfY
Battle of Galactica (1979–1992)
This high-technology attraction featured animatronics and live actors in a spectacular laser battle. This was the first themed attraction to feature audio-animatronic characters outside a Disney park, and was the first dark ride to combine sophisticated animatronics and lasers with live actors. It was replaced in 1992 by the foundations of BTTF.
https://www.youtube.com/watch?v=PM6rFUiP7VI
Runaway Train (1974–1985)
The tour guide leads the tram across a train track, thinking it is safe to cross. However, a train suddenly rushes from the tracks and stops just in time before colliding with the tram. The guide leads the tram away from the tracks to safety. The train is now a stationary train in the backlot.
https://www.youtube.com/watch?v=24wMdgT_mVs
Avalanche Tunnel (1974–2001)
The tour guide leads the tram into a revolving tunnel, simulating an avalanche, including fake snow spinning around the tram, and damaged signs, along with special sound effects. It was replaced by Curse of the Mummy's Tomb.
https://www.youtube.com/watch?v=vn9dfpSf6H8
King Kong Encounter (1986–2008)
The tram enters 1976 NYC where King Kong is on the loose and grabs and shakes the tram, which eventually escapes his grasp and gets out of the city safely. The 7-ton, 30-foot-tall (9.1 m) Kong figure was the largest and most complex animatronic figure in existence for many years. The sophistication of the attraction broke new ground and paved the way for today's themed attractions, including a USF
version. The Kong sequence was also featured in the film
The Wizard starring
Fred Savage and Indie singer
Jenny Lewis. This attraction opened on June 14, 1986, and was completely destroyed by a fire in the early morning of June 1, 2008. As of June 3, 2008, Universal Studios officials stated that the experience would not be rebuilt, and instead was replaced by the new King Kong: 360 3-D.
https://www.youtube.com/watch?v=k4fPV2LFLBM
The Fast & The Furious: Extreme Close-Up (Dancing Cars) (2006–2013)
Extreme Close-up was a horrible demonstration of some of the special effects used in The Fast & The Furious: Tokyo Drift. The attraction started construction in March 2006 and opened on June 15, 2006. The area was formerly occupied by a model used in Dante's Peak.
The section was closed in late July 2013. The studio had become increasingly frustrated with the portrayal of its Fast and Furious franchise at Universal Studios Hollywood after the blockbuster success of Fast & Furious 6. This frustration eventually lead to the unplanned closure of Fast and Furious on the Studio Tour after producers from the film witnessed the attraction first-hand. On April 8th 2014 it's was confirmed that the new Fast and Furious: Supercharged attraction would be built on the former site of the Curse of the Mummy Tunnel.
https://www.youtube.com/watch?v=4xPOJgttYt0
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Curse of the Mummy's Tomb (2001–2013)
The tram guide tells guests that they are going to take a look at some props from the film
The Mummy, but instead the tram is led into Imhotep's cursed tomb, where he sucks them into a powerful revolving sandstorm. The guide eventually leads the tram out of the sandstorm, and Imhotep is defeated.
The Curse of the Mummy's Tomb closed on September 3, 2013 and was later demolished in the same month. It was confirmed on April 8th 2014 that the site would become home to the new Fast and Furious attraction, “Fast & Furious—Supercharged".
https://www.youtube.com/watch?v=rx_i7q09_IQ
Edited from Wikipedia