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Highlights from the TV show

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Vortex cannon

Meet Jem's homemade vortex cannon - aka The Big Bad Wolf.
Spider-Jem

Jem scales the BBC with homemade vacuum gloves.
Space Dallas

Short clip of 'Dallas' parachuting from the edge of space.
Space Dallas

Jem uses a balloon to loft 'Dallas' to the edge of space.
Snake escape

Liz gets close to a snake to get scientific about fear.
Sound weapon

Jem helps Dallas defeat a hi-tech non-lethal weapon.

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