The decontamination device used at around 10 minute mark is a Electro-Jet Spray Fog Machine Manufactured by Mulgrew Aircraft Company, Inc with a few fins added .
When Hapgood talks about "dogies," he's using an old cowboy word for baby calves, not dogs.
Hapgood figures he could find Earth from Kruger 60. A pair of red dwarf stars in binary orbit only about 13 light years from Earth, Kruger 60 is just next door to us.
In the Brazilian dub, Professor Robson says "Billy and Penny" instead of Will and Penny. The translator confused the name of actor Billy Mummy with the name of the character (about 16 min)