After thousands of years of wars, pollution, undrinkable water andsilly cartoon shows, humans are forced to leave Earth and move everything and everyone to a new planet: New Earth. But not everything goes to plan when the Dogstar, a giant space ark containing all of the world's dogs, becomes lost in space. On New Earth, the evil Bob Santino makes his fortune selling canine replacement units, Robogs, and plots to ensure the Dogstar is never found. But the Clark kids desperately miss their real dog, Hobart, and begin a quest through space to find the Dogstar - with Bob in hot pursuit.
Cosmetic Catastrophe: Happens when Gran decides to help Gemma 'look pretty' for the opening of the Dogstar museum in the first episode of series 2. Gemma wastes no time in wiping off the make-up as soon as she is out of sight of Gran.
Doom It Yourself: In "The Quick and the Dog", Zeke attempts to fix the food synthesizer. It results in him and Alice being drenched in dog food.
Gran: He says "You're very brave". Either that or he wants to know the way to the station. It's a tricky language.
Gender Equals Breed: Hobart's puppies. The girl puppies look exactly like their mother Lady, while the boy puppy looks exactly like Hobart.
Improvised Microgravity Maneuvering: In "Twice the Excitement", Simone is trapped outside and drifting away from the Valiant. Gemma throws a rock that opens the valve on Simone's oxygen tank, propelling her back to the ship.
Is This Thing Still On?: Happens in "The Quick and the Dog" when Captain Rex of the Beagle calls to thank the crew of the Valiant and then turns to his science officer and tells him it was a good thing that humans never realized that they were the ones who stole all of the dogs from Earth. The science officer then calmly informs him that the comm screen is still on.
Literal Split Personality: Happens to Gemma in "Twice the Excitement", with one embodying all of Gemma's positive personality traits, and the other all of her negative traits. And neither can throw a rock with the skill that the original Gemma possessed.
Little Professor Dialog: This is Lincoln's normal way of speaking. He frequently has to dumb it down so the rest of the crew of the Valiant can understand him. Fenwick has a similar role for the bad guys.
Parasol Parachute: Gran's cyborg arm includes an umbrella which she sometimes uses as a parachute.
Pants-Free: In "Robot Revolution", Hank the newsreader objects when the servo-bots attempt to remove him from the studio for two reasons: firstly, it's his studio and secondly, he's not wearing any pants. When they physically haul him out from behind the desk, his is indeed not wearing pants.
Phlebotinum Induced Stupidity: In "Mensamania", Fenwick creates a stupidity virus which Bob santino unleashes on Mensa, the most intelligent planet in the galaxy as a test run. If it works there, he intends to use it on Earth to make the population stupid enough to buy his latest product.
The Pig Pen: Ramon Ridley. A cleaning robot self-destructs after attempting to calculate exactly how much filth he has on him.
Pluto Is Expendable: Bob Santino blows up Pluto in order to demonstrate the power of the Santino Laser Cannon. He then offers to blow up Mars so the sound will reach Earth sooner but is stopped from doing so by Fenwick.
Projectile Toast: In "Father's Day", Ramon Ridley builds a radio telescope out of an old satellite and a toaster. He comments that it still makes an excellent toasted muffin and to prove it, fires a muffin that hits Glenn in the face.
Red Wire Blue Wire: In "The Greening of Gavin", Lincoln instructs Fenwick on how to disarm the Tesla cannon and tells her to cut the red wire. Fenwick then points out that both wires are red and asks what idiot would do that. Lincoln looks embarrassed.
Robot Republic: The crew of the Valiant visit a planet where the robots had overthrown the human government and exiled (or executed) all humans.
Robots Enslaving Robots: In the aforementioned Robot Republic, the robots had thrown off their human overlords, only to establish a new hierarchy with the nobles free and all other robots slaves (including gladiatorial death matches).
Thrown Out the Airlock: The Primes attempt to flush Alice and Zeke out of an airlock in "Titanium Chef". Their plan backfires and they end up being cast into space instead.
Too Dumb to Live: Zeke, a malfunctioning robot who thinks he is a human, often strays into this territory. In "Rockin' in the Flea World", he chooses to ignore an alarm telling him that the Dogstar is flying into a black hole on the grounds that machines sometimes make mistakes.
Torches and Pitchforks: Carried by the angry mob when they storm the television studio in an attempt to lynch Ramon Ridley. Especially odd as it is set in a futuristic mega-city and they have no reason to have either flaming torches or pitchforks.
Translator Collar: In "Pedigree", Lincoln Clark creates a 'voice-box' for dog-scent sniffer-cat Boombah. They quickly discover that Boombah has nothing interesting to say, and that Simone has been lying about being able to talk to the cat.
Unrealistic Black Hole: In "Rockin' in the Flea World", the Dogstar is nearly sucked into a black hole. It is depicted as a giant black sphere hanging in space.
Who Would Be Stupid Enough: After the ad for servo-bots airs in "Robot Revolution", Simone says "What kind of idiot would buy something like that from a crook like Bob Santino?". The scene then cuts to her father arriving home to announce he's bought two.