Created by former Nickelodeon artist Jim Jinkins in 1990 and produced through Jinkins' production company, Jumbo Pictures Inc., Doug follows the life of an average kid named Doug Funnie. Doug and his family have just moved from their former residence in Bloatsburg, to the new town of Bluffington. There he meets Skeeter, Patti, Roger and Beebe, and his new life in a new town begins! Doug writes in his journal and sometimes even imagines himself as a superhero named Quailman to help him out with situations and decisions.
With a new baby on the way, Doug's family is too busy to have a traditional Christmas and Doug wants one. So Doug and Porkchop decide to have their own secret holiday celebration in his room. But when he later finds the house completely empty Phil phones with news, the baby is born on Christmas Day. Meanwhile, Fentruck tells all his friends how they spend Christmas in Yakestonia.
Judy helps out with Gwen Gauntlet, her favorite actress and teen role model, while she is in town to shoot an entertainment show. Judy hopes she can get a recommendation from Gwen for Vole University. However, Gwen is so self-absorbed that it tests the limits of Judy's patience. Meanwhile, Doug and Skeeter think they've shot proof of the monster on Judy's video camera and Judy won't let them see the tape.Watch Now:iTunes
Connie Benge becomes obsessed with winning a local radio-station contest to become a rock 'n' roll star. She brings Doug into it, and is so obsessed she thinks about quitting school just like Flounder from The Beets did. Soon she realizes Flounder may have not done the right thing. Meanwhile, Al, Moo and Skeeter try to contact the monster of the lake by creating a monster calling machine.
Doug always manages to have a bad hair day on school-picture day. So when school-picture day comes around again, Doug douses himself with hair-care products to prevent bad hair. Meanwhile, he daydreams how Quailman would handle a bad hair day, as an evil shampoo from the S.T.U.A.R.T. company is taking over the hair of all the citizens in Megalopolis.
Beebe Bluff's family is penniless due to heavy investments in the Yakestonian snoozegraffle crop, which gets completely destroyed due to a storm. Also because of the destroyed crop, Fentruck's family can't support their son overseas and will have to send him back home if he doesn't raise enough money. Doug, Patti and Skeeter try to save Fentruck from leaving and show Beebe that you don't need a lot of money to have a good time.
Bill Bluff's public relations firm decides that Bill should have Thanksgiving Day dinner with an average Bluffington family to increase his popularity. Doug's family is choosen and turns their simple Thanksgiving plans upside down. They won't let Patti join their dinner and Judy doesn't like what Bill is doing in preparation for the big dinner. So Doug sets out to make everyone happy for Thanksgiving.
Doug begins to worry that the new baby Cleopatra Dirtbike will end up being another Judy, and Judy is afraid she'll grow up to be like Doug. So the two set out to shape the baby's personality. When Phil and Theda go out for an evening, Judy and Doug are left to babysit and don't want the other to be left alone with Dirtbike. But when their fighting leaves Dirtbike alone in Mr. Dink's house, they realize they are going to have to co-operate to get her out.
Doug complains to Patti about how tough he has it at home. Doug thinks she must have it easy because she is home schooled. Soon, Beebe and Skeeter and Chalky and Roger debate over who has it hardest. So they all agree to switch places for a day. Also, Moo comes to Doug for advice on his brother who is dying his hair, changing his style of clothes and making friends, and Moo doesn't want his brother to change.
When Doug worries he is only average, he decides that to make his level of importance higher he should be a collector of unusal and (hopefully) valuable items. So he goes to a flea market with a valuable collecters item book looking for rubber tub stoppers and bowls, but someone has already gotten to them. Meanwhile, Roger gets on Mr. Bone's good side to get himself out of detention and Skeeter asks the A.V. Nerds to help him find the Lucy Duck Monster using A.V. equipment.
Beebe is having a Halloween party with a costume contest. After Doug's homemade Lucky Duck monster costume is destroyed by Dirtbike, Doug needs help for a new Halloween costume. So he goes to Skeeter, Judy, Mr. Dink, and Roger for help, but Doug can't believe they are all too busy to help him. Later, Doug can't believe that people all over town are turning into Doug clones!
While Chad is out of town, Patti comes to stay with the Funnies for a week and Doug worries she will realize that he is just an average guy. So he tries to be someone else in front of Patti in order to impress her. Meanwhile, Al, Moo, and Skeeter build a submarine out of junk to look for the Lucky Duck monster.
Doug's Bluff Scout Troop #617 has to raise money for new canoes, so they sell "Bluff Scout Booster Bars" door to door. But after being rejected by everyone, Roger offers a new way to sell the bars, which Doug doesn't agree with. Then when Doug sells a bar to Mr. Swirly, he realizes the problem of why the bars taste so horrible.Watch Now:iTunes
Patti and Skeeter comment about how great Guy's weekend party was which makes Doug decide to have his own party. At school, Patti and Skeeter accidentally get locked in a janitor's closet after doing a favor for Miss. Kristal. While being locked in, they share a secret and promise each other not to tell anyone else. But somehow Roger finds out and he tells the whole school about Patti and Skeeter's secrets, which leaves the question of who spilled the secret. Patti thinks Skeeter told, and Skeeter thinks Patti told. The two friends become so angry at each other, that Doug has to try to get them to be friends again before his party.
The S.T.U.A.R.T. corporation's faulty products are making citizens in Megalopolis uncharacteristically short-tempered. Quailman has had enough of the faulty products, so he and Silver Skeeter set out to find the leader.
Doug volunteers to spend time with the residents of the Maturing Meadows retirement home. He meets Mrs. Whackhammer and doesn't make a good first impression (or a second impression). Doug turns to Quailman, to see how he would handle a monster who turns the citizens of Megalopolis grouchy.
Doug and Skeeter decide to work together to create their own comic book featuring Silver Skeeter and Quailman fighting the evil Wacky Weather Man.Watch Now:iTunes
While Mrs. Wingo is away, a substitute named Ms. Newberry takes her place. But Doug makes a bad first impression which places him as the class troublemaker and Roger as the nice guy. So Doug tries everything to change Ms. Newberry's image of him.Watch Now:iTunes
A new change is coming to the Beebe Bluff Middle School... school uniforms! But all the students don't want uniforms so Sally rallys Patti, Roger, Fentruck and Beebe and forms a protest group. But after Principal White and Vice Principal Bone don't listen, Sally stages a student debate. But Sally ends up losing her voice, so Patti has to take over the debate. But it seems the power has gone to Patti's head. Meanwhile, Doug and Skeeter wonder what to do for their Civics class report.
Patti is better than Doug at every sport they play, and Doug wonders how he will ever impress her. So he daydreams about how Quailman would try to impress a new superhero who arrives in Megalopolis named Supersport.
Doug, Patti and Guy are invited to see The Beets recording a new record in Bluffington, but Doug promised to clean his grandma's attic with his Dad. As he cleans, Doug escapes into a daydream about how goofy Quailman's Dad is against the Golden Salmon. Back to reality, Doug finds out that his Dad was in a band in the 70's and when he drops Doug off at the recording studio, they learn that the Beets need a replacement drummer for a song. When Phil steps up to take the job, Doug just hopes he won't be embarassed.Watch Now:iTunes
Doug wants to go to the Hoe-Down dance with Patti. But when Connie asks him, Doug lies and says he's staying home to take care of his sick cousin "Melvin." His lie gets him into big trouble when Patti and Connie come over to visit his cousin. Doug asks Judy to help him out and does such a good job because then, Melvin is invited to the Hoe-Down.Watch Now:iTunes
Doug is practicing for the Rudolph Bluff Memorial Bike Rally, where he is on Patti's team and they are determined to beat Roger's team. But after Doug has a bicycle accident, he breaks his leg and once it heals, he is afraid to get back on his bike. His fear won't let him practice or even ride in the rally, and if he doesn't overcome his fear, it would let Patti and the team down. Meanwhile, Doug learns about Mr. Dink's phobia of beans and how he has tried to overcome it.
Doug and Skeeter are having trouble finding a scary monster for their homemade video movie, until Mayor White creates a monster of his own with his "beautify Bluffington" campaign, which was inspired by Doug's Mom.
Doug was only defending himself when he punches Larry the AV nerd in the face because Doug thought he was making fun of him. Now he's popular because of his fight, but Doug can't stand that he punched Larry and wants to be friends again. But everyone likes Doug for it and his popularity could disappear.Watch Now:iTunes
Roger invites everyone over to his house except for poor Doug, who begins to feel left out. Doug later imagines himself as Quailman battling Dr. Klotzenstein, the mad scientist who turns all Bluffington citizens into mindless zombies with his zombie chips. Doug then faces Roger at his trailer to discover he has organized a one year anniversary party for Doug.Watch Now:iTunes