The Sky-High City of Steampuff

The Sky-High City of Steampuff is a 2006 British / American computer-animated action / adventure comedy film.

Plot
The Sky-High City of STEAMPUFF is a floating island hidden amongst the clouds. Where young Victor Von Toot lives with his father, Steampuff's architect Haephestus Von Toot. one day, Haephestus is suddenly kidnapped by the robotic Killamari. So Victor has to team up with his father's inventions to rescue him.

Victor and Duchess are captured by Sid and Jerry who work for Phinnegan Tentacle, Haephestus 's former partner. He plans to have them frozen with liquid nitrogen inside a vat of Toxic Waste. The pair escape and Duchess takes the ENKINDLER KEY which he stole from them, which he needs for his big plan.

Victor finds out that the Enkindler is a fake and breaks it in front of Duchess, who reveals she made the fake key to hide the real one so Phinnegan could never find it.

They see a poster for the Football Ball to celebrate the England World Cup Finale, England vs. Germany. The duo decides to get into the Football Ball to see if they can find clues about Phinnigan's Plan.

Victor and Duchess go to the ball in disguise, only to hear Phinnegan announce that Hephaestus was unable to attend. Victor tries to confronts Phinnegan, but is stopped by security guards. They quickly escape from the ball and fly to the Steampuff Natural History Museum to find the real Enkindler Key. Meanwhile Phinnegan sends for his French cousin; an infamous, if somewhat laid back, mercenary named Le Nutty. During this scene, it is revealed that Phinnegan and Haephestus used to be best friends until their High School Science Fair when Phinnegan lost to Haephestus who received the scholarship that Phinnegan desired. Le Nutty and his subordinates intercept the duo and bribe them for the enkindler. Victor sadly gives it to them in exchange for his father's freedom. He goes back to Von Toot Manor discouraged.

He sips tea from a cup while a Californian import named Horace Corace tells him about halftime. Victor pieces together Phinnegan's plan to use the enkindler to turn over and destroy Steampuff, Horace uses a wagon to get Victor to save the day in time. Victor reunites with The Duchess who has been captured. He frees her and they go to foil Phinnegan's plot.

Together, they defeat Phinnegan and his henchmen and freeze his machine, destroying it with liquid nitrogen before it makes the sky-high city of Steampuff fall.

The duo are cheered on and Victor reunites with his father. The Duchess goes back into her box until to be used again. Then Victor and Haephestus build a Von Toot boat and sail around the city.