Maura decides that Roy should go through his toys and give away the ones he doesn't play with anymore.
Roy is crestfallen to realise he cannot change the way he looks.
Roy discovers that his dream of having a younger brother named Zip has come true.
Roy knocks the loo roll off the shelf and into the toilet bowl, causing it to block.
When Roy sneaks a look at Mr Barker's old cuckoo clock, he accidentally breaks it.
When the lights go out during a storm, Roy generates a cartoon light bulb to keep the dark at bay.
Bill is in charge while Maura is away and the place is a mess. They have until lunchtime to get the house back in order.
Becky is disheartened with her triangle performance, and Roy wonders how he can help her get the timing right.
Roy and Becky are excited about visiting a farm tomorrow and need to get a good night's rest. But they can't fall asleep!
Roy and Bill accidentally break Mr Barker's garden gnome. After repairing his hat, Roy grows attached to Gnomey.
It's a sunny day and Roy gets sunburnt, causing him to turn into a lobster.
Roy loses a tooth, Toothy - a cute animated tooth, with a penchant for sweets.
Roy tries to help Bill break his record for the number of chores done in a day.
One morning, Roy wakes up and realises he is being followed by a wispy little cartoon cloud.
When Roy puts on Maura's mood ring, he ends up changing colours rather than the ring.
When Mr Barker shows Roy some magic tricks, he is determined to wow everyone with a magic show.
Roy breaks Becky's dollhouse and doesn't say sorry, so Becky ignores him, causing him to turn invisible.
Roy is excited to play doctor with the new toy set Becky has given him.
While watching TV, Roy accidentally swallows the remote, which starts activating him instead of the TV.
Roy daydreams about leading a troop of mini Little Roys, but they escape from his thought bubble and cause havoc.
Roy becomes hugely unpopular at an Easter egg hunt when he finds every single egg.
Tristan and his family are going on holiday, so Roy tries to earn enough money to pay for his own family holiday.
While playing with his toy shark, Roy learns there can be wrinkly consequences of spending too long in the bath.
Tristan's cousin Lucy is visiting. When a mix-up means that she mistakes Roy for a toy, he has to go along with it.
Roy and Becky decide to make their own snow from Roy's cartoon cloud, but Roy is unable to stop the snow falling.
When Becky gets chicken pox, Bill and Maura shower her with affection, making Roy feel left out.
Becky's making a scrapbook of her hero for a school project and Roy is eager to know who Becky's hero is! When Roy's curiosity lands him in the scrapbook, will they be able to get him out or will he be stuck in her glitterverse?
Roy is excited about the O'Briens' pirate barbecue. When Roy hears his neighbour Barbara talk about Mr Barker's fishing obsession, he becomes convinced that his goldfish is in danger. Finn is Roy's best friend and he will do anything to save him.
Roy becomes a genie in a teapot at the local fair. Roy, Becky and Tristan sell wares for Mrs Barker, but mean stallholder Stacy loses them a sale. Will their trick help them beat Stacy or will they learn that working together is the best policy?
Roy and Becky can't stand still and behave themselves for the O'Brien's family photo. Instructed by Maura to be as quiet as a mouse, Roy becomes entranced by Mr Barker's camera flash and turns into one. The problem is, how will Roy change back?
Roy fears Bill and Mr Jones will ruin the atmosphere at the family barbecue with their ultra competitiveness. Becky, Tristan and Roy decide to teach them the importance of teamwork to make them friends instead of rivals.
Roy accidently breaks Becky's tiara that she absolutely loves. As Roy's guilt grows, so does he! But will he let her think she broke the tiara or will he listen to the angel on his shoulder and come clean?
Roy finds it hard to spend a Saturday without Becky. Roy is determined to make a photo frame for Becky's return. Will he be able to manage without Becky's help or will he take down the house with glitter while trying?
Roy's frustration gets the better of him when building the Mega Tall Tower of Titans with Tristan. Will his family and friends help teach Roy that lightening up and laughing at yourself is best, or will Roy's fury steam-roll their barbecue plans?
Roy doesn't feel like his normal self when he gets separated from his shadow. With the help of Becky and Bill, Roy communicates with his shadow and convinces him that they belong together to make one another feel complete.
Roy eats too much pizza and drinks too much soda and turns into a floating pizza slice! Friends and family gather around to help bring Roy back down to earth, but will they be able to help him see that it's best to have everything in moderation?
Roy is disappointed that his 'lazy' Sunday of hanging out with the family won't be happening. He sulks, hoping it will change everyone's minds. But as his frustration grows, so does he, turning into the Incredible Sulk! When he can't stop it growing, huge tears begin flooding the garden. Will Roy learn to calm himself down, or will he keep getting bigger and his tears chase everyone out of the garden?
Roy wakes up extra early on a Saturday morning and decides to surprise his parents with breakfast in bed. Struggling to make pancakes by himself, Roy is delighted when Becky offers to help him make something simpler. Roy is happy when Maura and Bill thank him for his kind gesture. But his happiness soon fades when Maura and Bill see the mess he has made in the kitchen.
Roy sees a strange blue light in the garden and convinces Tristan it's aliens! Despite reassurance from Maura, Roy's imagination goes into overdrive as Tristan and he gather together an alien detective kit and search for clues of extraterrestrial activity. They discover a slime trail in the garden, strange footprints in the soil, and what appears to be a UFO landing pad in the grass! The clues are mounting up and things go galactic when Roy is convinced he's been zapped by aliens. What exactly is in Mr Barker's shed?
Roy and Becky practice ballroom dancing with Mr and Mrs Barker. They surprise Bill and Maura with this present at their wedding anniversary party. But when the time comes to perform, Roy is struck down by terrible stage fright and ends up freezing frame. Sad over letting his parents down, Roy finds a way to overcome his fears and finish the dance with Becky.
Roy is delighted when Bill gives him a toy DIY kit to play with. Bill and Mr Barker warn Roy to be careful with his toy hammer. Roy ignores this advice and accidentally whacks his thumb. This causes his thumb to swell up and talk in a grumpy tone of voice. Roy tries to hide his talking thumb from Bill. But in the end, Roy learns that lying to hide the truth eventually becomes impossible.
Roy is upset that his thought bubbles keep giving him away and getting him in trouble. Tristan tries helping Roy brainstorm how to solve his problem, but accidentally gets soaked by one of Roy's thought bubbles. Roy is fed up and wants to stop thinking. Will Roy continue to believe that his thought bubbles are a weakness or will he see that being a cartoon boy can be a huge advantage?
Roy can't wait to play with Mr Barker's new train set. However, a bout of cartoon hiccups soon get in the way of Roy's playtime. His hiccups cause him to bounce, crash and splat his way through the house and garden. The family gather to offer cures all at once - but none of them work! Roy fears the hiccups will last forever. What will he do now?
Roy and Mr Jones are helping Barbara clear out her garden shed when they discover Reg's old ventriloquist dummy. Roy discovers he can perform his own version of ventriloquism by literally peeling his mouth off his face and throwing it like a baseball. Mr Jones and Roy use this new skill to play practical jokes. However, the joke backfires on Roy and he fears he may never find his voice again!
Roy thinks he has found a new talent - street dancing. However, Becky is devastated when his energetic moves ruin her school project and shuts herself in her room. Roy tries his best to put the project back together, but it isn't enough to cheer Becky up. If his groovy street-dancing moves only cause chaos, does Roy have another talent he could use to make Becky feel better? And what would that talent be?
Roy feels left out when all his family and friends get nits. However, when Roy contracts cartoon nits of his own he is delighted and despite protestations from Bill and Maura for him to wash his hair, Roy refuses to abandon his new best friends.
Roy loses Tristan's handheld game and goes on a full-scale detective mission to find it. However, Roy keeps jumping to the wrong conclusions and accusing the wrong people, only making the situation worse. Will Detective Roy find Tristan's game?
Roy ponders what to make Maura for Mother's Day. Becky's present is impressive and Roy wants to match her efforts. After several failed attempts, including an extra special Mother's Day robot and a knitted jumper, Roy thinks he has found the perfect gift - a pet snail. But when the little fella escapes, Roy despairs he has no gift for his mam. However, Roy learns a valuable lesson in the process. Spending time with the person you love is far more precious than any gift.
Roy is impressed by Becky and Holly when they show him the numerous badges they have earned from the Girl Scouts by learning new skills. Roy is eager to earn a badge of his own. Maura suggests Roy can earn badges by helping her around the house. Roy happily assists his Mam when she installs a new alarm system. But when Maura accidentally locks herself and Roy out of the house, it is time to put Roy's new skills to the test. Roy uses his superstretchy ability to sneak back into the house through an open upstairs window. He tries to use his quicksilver reflexes to evade the alarm lasers but there are too many. What would Wonder Roy do?
Roy is excited about going to the park to climb trees with Becky and Tristan. But when Maura tells Roy he is too small to climb trees, Roy decides he is sick of being small and stretches himself out until he ends up eight feet tall. Roy thinks all his problems are solved and has a great time climbing trees in the park. But when people react to his giant size with fear and panic, Roy ends up feeling sad and confused. He really thought being tall would be the greatest thing in the world. Roy wonders what Wonder Roy would do?
Roy is playing football by himself in the garden when he notices his dad having a great time on the Barkers' back lawn. Bill invites Roy to join him and play with Mr Barker's prized collection of toy soldiers. They recreate a battle and cause an almighty mess. About to clean things up before Mr Barker arrives home, Bill and Roy notice that one soldier is missing - a little drummer boy. Bill frets about what Mr Barker will say if he finds out they lost one of his beloved troops. What would Wonder Roy do?