They end up breaking a lot of things in the house. They then decided that they should just end the show because the show is not about quads when it is only featuring three of them. Colosso from and threatens to destroy them after turning Dr. Later at school, Nicky, Dicky, Dawn, and later Mae try to create a hall wall in front of Ricky so the cool stair students don't see him. Mae, declaring herself the fifth quad, offers to help in case any one of them can't make it. Dicky is a field reporter while Nicky is in charge of cafeteria updates.
Texting Tina gets detention because she keeps texting in class with her best friend who just moved to Australia. She starts shaving to hide her hair, but accidentally cuts herself and screams. They ask him what's the worst that could happen. Everyone is shocked when Anne and Tom show up at the fundraiser carrying the real, healthy Squishy Paws. Meanwhile, the mayor comes to tell Tom that his son wants a party and only wants Flying Goggle Boy. Meanwhile, her brothers have realized that they need Dawn to keep themselves from fighting with one another, but they, like Dawn, refuse to admit defeat.
This causes Dawn to break up with Mae and both refuse to apologize. This symbolizes that the class of 2017 has left big shoes to fill. They serve the dish to a customer they believe to be the Gourmet Guy. It turns out that Tom and Anne have not celebrated Valentine's Day since 2004 because no gift they could give each other could ever live up to their children. While Anne's focus is on the overnight bag, Ricky asks Nicky to put the thermometer into his mouth for a normal temperature reading who then asks Dicky to do so because he doesn't want to get sick. Ricky freaks out and unleashes bees at the space station. However, wishing to avoid arguing and noise in the early hours of Tom and Anne's anniversary, the punishment is lifted for Saturday morning.
On May 25, 2018, promos of more episodes in Season 4 were shown, these episodes were included; , , , , and. However, a feather then lands on the floor and causes the walls and roof to collapse. After realizing that Faith, Hope and Susan are falling in love with Joey as well, the boys lie to the girls that Joey is dating Dawn. Later, the Harpers get revenge on the Dynamites. She gets help from her brothers to delete the voicemail before Miles hears it. Dawn pushes her brothers into a quad pact that none of them will see the concert without the rest of the quads. Meanwhile, Dawn goes to find the Wizard of Oz to prove that she's the real Dorothy.
The reason that was cancelled is due to the fact that there was a lot of arguments and drama on set. When the drone flies out of the window, they discover a lot of bikes in Dooley's backyard. They are forced to transfer to Boulder Academy high school. So, he storms off and agrees to take Madison's offer. The coach comes back on a wheelchair and overhears them. After that, Dawn and Madison make it clear that they still hate each other.
Mae apologizes for calling Dawn pushy and Dawn agrees that she can be pushy. Mae sleeps over at Dawn's bedroom. They make Dawn's job very difficult by making a lot of complex orders. Nicky is the first one to fall in love with Mae when he asks Dawn for advice on feelings he has for a girl. Dawn again asks her father for advice, but does all the talking again.
The Kramdens show up at the window, causing the Harper quads to freak out and accidentally turn off the simulator. Dawn gives up the role and goes to save her brothers. However, Ricky finds them in the freezer the following morning when Dicky lets it slip out that he hid them in there because he thought it would make them cooler. However, things go awry when Nicky, Ricky, and Dicky also become sick and then later all four of them get stuck inside a caveman exhibit after trying to find a soundproof place to sneeze all they want. The Dozer always gets detention for sleeping in class because he has to take care of his baby brother. The next day at school, the quads learn from Mae that Syd has stolen the answer book for the day's test in Mr. Later, while Ricky is asleep, Nicky, Dicky, and Dawn take away all of his uncool belongings, and Dicky then hides them.
When the skates get accidentally burned after the fight, Tom and Anne agree to put a theme that combines all the ideas from their kids. Anne tells them that the triangle of romance is ridiculous and they shouldn't try to force it. Dawn suggests that Ricky be the captain, but it turns out to be trap as she only said that to get Tom and Anne out of the house. The boys believe it at first, which leads them to not trust each other. When Mae shocks everyone by announcing that she's Boco Yolo, Ricky's siblings try to take credit too but it ends in disaster when the other students dare the real Boco Yolo to do the things Boco Yolo claimed he could do. The only thing stopping them is their missing practice skates.
After gloating about her fashion and being smarter than Ricky, Madison makes fun of the quads for living in a garage. Their communication channel with the station is interrupted, making it impossible to get instructions on how to get back. While unconscious, Dawn dreams that she is in Oz still fighting with Rose over who's the real Dorothy. Dooley incites the quads to do a mature-off contest to figure out who is more mature by completing the triangle of romance: mind, body and soul. They conclude that Dooley has been stealing bikes since he had shown fascination in bikes earlier. With their parents' help, they agree that it doesn't matter whether they're biologically quads or not.
Meanwhile, Tom and Anne are stuck at the phone store due to technical problems with Tom's phone. This show is a rip off and is a very stupid show. However, during the next Buffa-Lowdown, Dawn realizes that Avery has a crush on Nicky, so she tries to stop Ricky from embarrassing himself, but things go awry. Nicky, Ricky and Dicky are unable to pay their bills because they ordered everything expecting Trey to pay for them, so they're forced to help arrange for Madison's party. However, the principal organizes a special fundraising ceremony for Squishy and asks Dawn to sing. Mae and Miles become furious that Dawn was trying to separate them, so Dawn apologizes and Mae promises to spend more time with her.