This episode tells the story of Nick and Perry's crash landing on Earth and their first impressions of future life on Earth. During night, while little Lucy is dreaming of her birthday, a space capsule crashes into the garden and embeds itself into the ground. The scientists in the observatory miss this event, but not suspicious Mr. Smith. He knows something fishy has happened over there.
While observing Lucy playing with her talking doll, Nick and Perry are led to believe that it is a robot that controls humans. To get to the secret of this robot, Perry does some vivisection on it. But the dogs in the park warn him that breaking a doll is the worst sin possible. So it will take a complicated operation involving a doll and the TV set to save the day before Lucy is back.
Nick and Perry become infested with fleas.
Nick and Perry are in a spaceship, poised to take off.
Perry has invented a time travel device to send them back in time to before they crash landed on Earth. Nick tries it out in a very unprofessional way (to charm Sophia and to bully Butch). Finally, Mr. Smith snatches the thing from the dog. This gives him the prime opportunity to expose them for what they are.
Nick and Perry follow Lucy to school, Perry hoping to get some 'higher learning'. He is fascinated with the school lab. Nick, meanwhile, listens in on a fairytale and believes that the frogs in the lab are really Princes and Princesses waiting to be set free.
Nick and Perry believe Frank's twin brother, who is on a visit, to be a evil clone. They remember the clone incident back on Dogma and decide to take the same measures by making a hologram to 'solve' the issue.
In order to avoid the suspicion of Mr. Smith, Nick and Perry must device an ingenious plan. Because you see Smith has observed that contrary to the other dogs the postman seems to like N&P who never attack him. Smith alarms his friend the general. They deceive him by planning an attack on the Postman as any normal dog would.
After sneaking into a department store, Nick and Perry are chased into the elevator by the security guard. Believing the elevator to be nothing more than a small room, they are shocked to find that each time the doors open, they are faced with a brand new world. It is a time travelling machine! Or a gateway to different worlds.
Mr. Smith gets a wig. Nick and Perry believe that it's an alien creature infiltrating the human brain in an attempt to take over the Earth. The dogs kidnap the dangerous "Fuzzock" and submit it to all kinds of horrible questioning.
A circus comes to town. Nick and Perry go there with Frank & Lucy and believe that one of the attractions of the circus, a cute little poodle in a tutu, is a fellow Dogmanian, here to save them, as she is dancing on her hind legs. The two get to work and have to avoid some circus staff and animals to free the little poodle.
At a magic show of the Great Moustachio, Nick and Perry are convinced that this is real magic. While keeping out of the way of Frank and Lucy, who are also in the show, they steel the wand thinking it to be the source of all magic, but it does not work. They realize that it must be the mustache and they manage to make it 'disappear' off his face.
Frank brings Lucy and the dogs on a camping trip. Nick and Perry manage to get lost. As Nick and Perry are totally without orientation nature gets the better of them on their search for Frank and Lucy. On their way back they run into a bear, a terrifying squirrel and lots of trees...
Lucy's favorite TV character 'Bumper' (a Lassie style hero) has lots of adventures. Lucy decides to re-enact an episode with Nick and Perry as the heroes. As Lucy reenacts the "girl in danger" situation in Mr. Meat Chunk's factory, it all goes pretty wrong. N&P have to come up with a clever plan to alert the police and Frank.- and to save the day (and Lucy).
Perry is in the middle of his experiments when Nick turns up with three babies who demand a lot of attention. He has taken the "pet humans" from a sort of prison (sand box). The dogs have to go through the processes of changing diapers and feeding the pack (involving curtains and a whole cow!). Unfortunately, Mr. Smith has become suspicious again...
Nick and Perry's get accidentally into a ray of Mr. Smith's bonsai machine and start shrinking. Panic sets in. They must find something edible that will stabilize their size. Already starting to shrink they ramshackle Franks house looking for the right combination to save them from disappearing altogether.
Nick isn't careful enough and lets himself get caught doing very un-earthdoggy things (like reading a book). He is brought to the vet because Frank feels he is behaving strangely. He is hypnotised by the vet and leaves believing that he is a real earth dog. Perry pulls out all the stops to bring Nick's memory back. But that won't be easy.
Lucy has a school project about wild flowers as autumn has begun. Perry gets it wrong and thinks that Nick has crushed the dried flowers. Franatically he tries to revive them with an invention of his. As just the next morning the leaves begin to fall, Perry is sure his invention has caused this. The two dogs set out to glue the leaves back to the trees...
Frank is minding his sisters pet budgie. Nick and Perry are convinced that it must be extremely dangerous as it's kept in a cage.
Nick makes Perry believe that he can communicate with a monkey who can help them build a space shuttle.
While Nick is enjoying Perry's new invention, a shower, he manages to cause havoc in the bathroom of Franks house. A plumber is called and Nick and Perry are convinced that he is going to find the underground lair. Nick does it again the next day and Perry insists they repair the damage, done before anyone finds out.
While experimenting with the effect different foods have on their alien physiognomy, Nick & Perry stumble into a dognapping plot! Perry, bloated by eating too much parmesan cheese, is mistaken by two crooks for Butch, pet dog of rich Mr. Meatchunks. Nick has to use a daring measure to rescue his buddy.
Mr. Smith is looking after the dogs and is determined to expose them.
Friendship/rivalry has come between Nick and Perry. Nick thinks that Perry is disastrous in the love department and Perry insists that Nick "...couldn't hold a screwdriver right if he tried". So, the bet is on, Perry has to persue Sophia and Nick has to build a space ship to get them home.
After a producer sees Nick do some very unusual tricks, Lucy and Nick are chosen to star in a new dog commercial. Perry is horrified - he will expose them both! On TV! Still, Nick is off to the studio and won't hear Perry's stupid worries. After all, it's the big chance to become a star! After a long and intense days shoot Nick and Lucy are both exhausted.
Nick, trying to impress Sophia, gives her an ancient fossilized dinosaur bone that Frank had on lone from the University. They realise that they have to get it back but without Frank noticing or insulting Sophia. The search involves the other dogs and ends at Mr. Smith's house...
When the alien dogs observe Lucy talking to plants, they’re hopes rise that earth plant life may be both intelligent and provide some means of escape to Dogma. Their attempts to communicate result in the garden becoming a fully fledged jungle, as it involves a fast-grow-device they stole from Mr. Smith. With Mr. Smith hot on their heels the pressure is really on Nick and Perry to get things beck to normal – before Lucy comes back.
Lucy enters Nick into a Dog Show. The two dogs are delighted as though a misunderstanding they think the winning dog will be chosen to go on a journey into space on a new rocket. Nick naturally messes things up and Perry has to do the performance. AND he has to fight the unbeatable Butch! Surprisingly, Perry wins and looks forward to his space trip. Poor Perry....
Nick makes Perry believe that he can communicate with a monkey who can help them build a space shuttle. After all, just look what the monkey was able to do with a piano in the park – and all the (bogus of course) calculations his master made him do. The monkey’s name (Einstein) also rings a distant bell with Perry. Following the monkey’s ”instructions” they build a shuttle that explodes in their faces when they try to activate it. Things escalate and they make a complete mess of the underground kennel.
Endless, tiring walks in the park – Frank is in love with a woman he can only see early in the morning in the park! The dogs are straining, and even good-natured Lucy begins to find it all tiring. Nick and Perry must learn the art of matchmaking in order to bring Frank and the woman he desires together. But first, they have to watch endless romantic films on video. After all, how else will they know how human romance works? The big evening approaches – the lady arrives – and the two matchmakers (and Frank) are in for more surprises than they can take.
Deciding that they have found the perfect launch pad for an escape shuttle, Nick and Perry wreak havoc on a building site. First, they change the construction plans during the night. But the chief worker and his more simple assistants don’t fall for it. As they settle for reconstructing the building themselves, the have to fight off Mr. Smith and his mania for uncovering alien dogs. After they get him out of the way, all they need now are – tons of soda bottles..???
Nick and Perry see that Lucy is being bullied at school. So, Nick decides that it is up to them to sort him out. Fangjaw and his sidekick take to the streets! However, getting even with the bully is just not enough for Nick who wants to ‘bring justice to the streets’.
Nick accidentally activates one of Perrys space podules with them in it. Dazed after their flight they land on a farm mistaking it for another planet.
Sophia comes to ask for Perry’s help as her lucky collar has been stolen. Like Sherlock Holmes Perry reveals the culprit in a classic murder-mystery style finale.
Nick and Perry go to the beach where they are convinced that the weatherman is controlling the weather and therefore making the humans act in the most bizarre fashion according to them anyway. They have to save the world.
A spoilt little boy spots Nick acting strangely in the park and he decides to take him home to be his new plaything. He is a little terror and Nick has a hard tine not exposing his true identity. However, Perry and Lucy to come to his rescue.
Lucy’s got braces. Nick and Perry think the evil dentist is controlling her, wanting to turn her into a robot, and that he must be stopped at any cost.
Lucy spots Nick and Perry in their spacesuits one night. She gets a photo but it’s dark and blurry. Now they have to plan on how to avoid discovery by the alien enthusiasts that have come to town.
Mr. Smith plans to expose Nick and Perry. He transmits a radio broadcast indicating that the aliens are coming to save their lost heroes. Nick goes into a panic and starts planning all the things he has to do before he leaves. Smith tries to catch them red handed but they manage yet again to twist the fault back onto him.
Mr. Smith plans a fireworks display to commemorate the 25th year of his UFO organisation. Nick and Perry overhear his conversation and decide that with enough of these mini rockets they could organise getting a message back to their home planet. Explosive events ensue.
Frank thinks Lucy needs to have some cultural influences in her life so he has a piano delivered to the house. She is hopeless, but Nick develops a taste for it and soon becomes enthralled by the blues and not just when he is playing. He wallows in sadness and even starts ‘talking blues’. Perry must cheer him up, as it’s only a matter of time before having the blues blows their cover.
Franks mother comes to stay. Nick and Perry are convinced that she is an agent sent to catch them. When she and Mr. Smith develop a friendship their suspicions are confirmed and they set out to spoil all their plans.
After seeing Lucy experiment with the electrical properties of a lemon, Nick decides to grow a huge lemon and use it to power a disco suit in order to impress Sophia. Perry wants to use the lemon to power his transmitter. So the rivalry between them begins.
After seeing a TV program of live surveillance of people for entertainment purposes, Nick and Perry believe that everyone is being secretly filmed. They decide to make life more interesting around the Frank and Lucy household as whoever is watching them must be really, really bored.
Lucy gets sick – purple spot syndrome. Nick & Perry decide that they must find a cure. They end up catching it as well and give Lucy their Dogmanian cure. As a result Lucy develops some very curious Dogmanian characteristics.