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Sonic Live in Sydney was a 25-minute-long live musical stage show, performed at the now defunct SegaWorld Sydney. The show was set up on a stage that was located adjacent to the park's food court so that patrons could watch the show while eating (listed in the CD's track listing as "SegaWorld's Knothole Village"). It used some elements from both the Sonic the Hedgehog TV show and Adventures of Sonic the Hedgehog, and was performed by costumed actors and dancers. Most of the music and sound effects used in the show were taken from Masato Nakamura's score on Sonic The Hedgehog 2, with three unique musical numbers, written by Phillip Einfeld and Mark Rosenberg; Sonic's "What Are We Waiting For?", Dr. Robotnik's "Give Me Chaos" and "Thank You For Being You", sung by Sally Acorn. In late 1997, Sega disbanded the show because they felt that it wasn't dynamic enough and replaced it with a Sonic-themed puppet show. The puppets were constructed by Einfeld’s Puppetoons and the show was performed three to four times daily. 
Notice: There is no video evidence of what happened in the show. Only audio and some pictures of show elements are currently known to exist. All spoilers begin here.
The show begins with Tails piloting a biplane (presumably the Tornado) with Sonic the Hedgehog and Sally Acorn in tow. Suddenly, the engine sputters, forcing the trio to jump out before it crashes. After a rough parachute landing, Sally and Tails figure out that they are in Australia. Sonic then appears, explaining that he was making a "supersonic survelliance of the surrounds", and then explains the reason for being in Australia: after defeating Dr. Robotnik on Mobius, the mad scientist fled to Earth with the Chaos Emeralds and set up his laboratory somewhere in Sydney, with the intent of controlling all of Australia. Sonic and friends begin their search for Robotnik (What Are We Waiting For?).
The next scene features Robotnik, who brags to the audience about his new base, which he built on top of the Sydney Harbour Bridge. He calls his two comically clumsy robots (Simply called "Badniks" but are presumably Scratch and Grounder) to set up his Super Laser Telescope, which will enable him to be on the lookout for Sonic. After asking the audience to keep the location of his base a secret, the scene ends, switching back to Sonic and his friends.
Sally, Tails, and Sonic are still searching for Robotnik, but Sydney is such a large city that they haven't found any clues to his whereabouts. Sally complains that because she has done so much walking, she's worn holes in her boots. Dr. Robotnik overhears this while spying on the heroes with his telescope and begins to come up with an evil scheme. Fortunately, Sally manages to tap into Robotnik's computer with her interstellar modem (which is likely similar to NICOLE). She locates him on the bridge, and the team splits up to catch him.
In the next scene, Robotnik reveals his plot: he'll use Sally as bait to catch Sonic. (Give Me Chaos) To capture Sally, he creates a pair of "Egg Boots" (a pun on Ugg boots), and lays one of them in plain sight while he hides in wait. When Sally approaches the bridge, she is relieved to find a new boot, but as she searches for the matching one, Robotnik pops out of his hiding place and freezes her with a freeze ray. With Sally immobilized, Robotnik easily kidnaps her and takes her back to his base.
In the next scene, Sonic and Tails are searching for Robotnik in the area where Sally was kidnapped. They can't find any evidence of Robotnik, so they ask for some help from the audience. After the audience points out the single Egg Boot that was left behind, Sonic starts to become suspiscious. The scene changes as Sonic and Tails go on another "Super Sonic Surveillance of the Surrounds".
In Robotnik's base, Sally is frozen to the floor. Robotnik uses his freeze ray (which doubles as a remote) to activate a time bomb which he has set up in the base. Sally can't move, so she begins to sing one line of "Thank You For Being You" to give away her position to Sonic and Tails, who hear her from outside the bridge and start thinking of a way to rescue her. After hearing Sally's singing, Robotnik begins to fall in love with her and asks why she loves Sonic and not him. Sally finds the idea of being in love with Robotnik repulsive, and shouts that she would never go near Robotnik if he was the last man in Australia. Then, Robotnik offers a bargain: If Sally continues to insult him, he'll dismember Sonic right in front of her. However, he'll let Sonic go if Sally states that she likes him. Sally still refuses to give in, stating that if she did, it would betray the good name of the Freedom Fighters. She would rather jump off the bridge!
Sonic and Tails overhear Robotnik's trouble with Sally, and burst in the room disguised as doctors. "Dr. Sonic Stition" claims that he has the perfect love potion for Robotnik, who is so desperate to marry Sally that he agrees to try it. Sonic tells Robotnik to turn around so that he doesn't see that the "love potion" is really sleeping juice. Robotnik quickly drinks the liquid and begins to rattle off how he and Sally will get married and have fat children, before suddenly falling asleep. Then, while attempting to figure out how to use Robotnik's ray gun to unfreeze Sally, Tails accidentally causes Sonic to shoot her while it's on it's on the "Sing" setting, causing her to sing about her love for Sonic (Thank You For Being You). After the song, Tails suddenly notices that the time bomb that Robotnik set earlier in the show is about to explode. Sonic uses Robotnik's remote to deactivate the bomb, reveal all seven Chaos Emeralds, and change the Badniks into their natural state "Goodniks" (possibly animal friends). With Robotnik defeated, the cast sings a reprise of "What Are We Waiting For", which is temporarily interrupted by an escaping Robotnik. Sonic then says goodbye to the audience and the show ends.
All spoilers end here.
- Sonic: Alexis Nagy
- Tails: Alexis Nagy
- Sally: Alexis Nagy
- Dr. Ivo Robotnik: Dennis White
- Grounder: Phillip Einfeld
Puppet Show Version
CD Track Listing
- Robotnik refers to Sally as a "merry marsupial", even though she is not one. Perhaps this mistake was made because while there are no native squirrels in Australia, it is home to many marsupials.
- Tails is the only character who doesn't have a song in the entire show.
- Robotnik is depicted in his Adventures of Sonic the Hedgehog form (Milton Knight's design).
- It can be presumed that the Badniks are Scratch and Grounder, as Robotnik calls them his two incompetent cronies and insults them, just like he did in Adventures of Sonic the Hedgehog.
- The show features a narrator, but only at the beginning when Tails' biplane is seen.
- Even though Sally's color scheme is correct on the CD cover (i.e brown fur, red hair), her costume and puppet's color scheme has the same color scheme she had from the early Archie Sonic issues, the Sonic SatAM pilot episode, and Sonic Christmas Blast (i.e pink fur, black hair).
- Even though Sonic and co. call themselves Freedom Fighters, they are missing some of the other Knothole Freedom Fighters (i.e Antoine, Rotor, and Bunnie).
- The possible explanation as to why Knuckles appears on the CD cover but not in the show is that SegaWorld Sydney used Knuckles alongside Sonic and several other characters as mascots for pieces of merchandise sold around the park; he was merely put on because they felt that they needed another mascot for further promotion.