Angelica uses Stu's voice invention to plan a surprise party for herself using her mother's voice; an early family Christmas photo confuses the babies.
Angelica wants to find a sibling; the babies try to help Spike through nightmare; babies try to save piñata from being smashed when Kimi falls in love with it.
Arnold struggles to come to terms with his dangerous baseball bat-swinging abilities at the worst possible time; Mr. Hyunh impresses with his singing voice.
Lincoln signs the family up for a talent show as the family becomes a band; Lincoln's mom decides to take him to the dentist office so he can see her office.
The kids discover Myrtle has a shady past and try to expose her; Lynn and Liam conflict when they're forced to partner up as the middle school hall monitors.
Lincoln's mom signs him up for peewee football, so he tries to get Lynn to take his spot; Lucy reads Lincoln's fortune that says his day will "end in disaster".
Sergio stays at the Louds but he doesn't want to hang out with the rest of the pets; Mom takes Lily for a drive where they happen to witness a burglary.
Clyde & Nana Gayle make the finals of a dance contest; Lincoln and friends need to get school back to normal when Principal Ramirez implements new rules.
Now the oldest, Leni struggles to follow in Lori's footsteps as the family's babysitter; Lincoln and Clyde investigate the Loud's suspicious new neighbors.
Two siblings must sacrifice their own summer plans and it begins a new normal, starting with a runaway trailer that each insists on saving their own way.
Schwoz installs a new operating system on the Man Cave computer designed to detect and eliminate threats all over Swellview but it experiences a software bug.
Henry wants to watch the most highly anticipated mixed martial arts fight of the year with Charlotte and Ray, but he is obligated to attend his family's dinner.
Captain Man is being a baby about having a baby and labor pains leave him helpless, so Kid Danger and Piper step up to take on a couple of slick grease thieves.
When Drex returns from the past with an army of cavemen to finish off Captain Man once and for all, Kid Danger may be the only one who can save Captain Man now.
When Captain Man is confined to a jail cell on Christmas, Henry and Charlotte must find a way to ensure that he has a festive holiday while behind bars.
Captain Man & Kid Danger guard the newest attraction, but when Captain Man destroys the wall, Kid Danger & Captain Man must figure out a way to replace it.
Charlotte's unique invention for The Gizmo Show is accidentally destroyed, however she worries the attention that she is getting could expose the identities.
Kid Danger and Captain Man take on a villain who has a time machine, and after the young sidekick falls into the device, he experiences the same day repeatedly.
When a tabloid reports that Kid Danger's superpowers are the result of an illness, Henry tries to convince Swellview that it is a big misunderstanding.
When Raymond thinks his sidekick Henry is faking being sick, he then installs hidden cameras and microphones all over Henry's house in order to catch him.
When an atomic bomb is accidentally activated in the Man Cave, Ray and Henry decide to take the bomb out into Swellview desert in order to save their city.
Kid Danger and Captain Man battle Drex on top of a blimp to stop him from erasing memories of Captain Man and the blimp is aimed for the baby hospital.
Timmy wishes to be merged with the new car that Mr. Turner is spending all of his time with; the Crimson Chin's evil counterpart is brought into the real world.
Problems arise for Timmy after wishing that his life was like an action movie; Timmy has problems with A.J. after wishing to be the smartest kid in the world.
The babies fight over which of their pets is going to win an awards contest when they take them to the local park for Pet Day; the babies misunderstand Taffy.
Grandpa and his tenants get some unexpected assistance from Arnold when they attempt to train a horse to race; Curly offers to help Rhonda with conditions.
Rhonda shows off her marriage-predictor to the rest of the students and Arnold is shocked to find that the device has paired him with Helga as a future mate.
Arnold is surprised to find that his feelings towards Lila are being returned as a result of Helga having written an intimate message on the bathroom wall.
Helga gives her sister Olga a dose of reality by altering a grade on her report card; Arnold and Gerald turn off the city's lights to view Sally's Comet.