Twelve-year-old Finn battles evil in the Land of Ooo. Assisted by his magical dog, Jake, Finn roams the Land of Ooo righting wrongs and battling evil. Usually that evil comes in the form of the Ice King, who is in search of a wife. He's decided he should wed Princess Bubblegum, though she doesn't want to marry him. Still, he persists in trying to steal her away, and Finn and Jake, along with Lady Raincorn (a cross between a unicorn and a rainbow) do their best to keep her from harm.
Phineas Flynn and his stepbrother, Ferb Fletcher, are determined to make every day of their summer vacation fun. They try building a full-scale roller coaster, becoming musicians, building a backyard beach, and traveling back in time to meet dinosaurs. Their family pet, Perry the Platypus, doubles as a secret agent and battles evil. Meanwhile, older sister Candace is tattling on them to Mom and Dad, though she can never seem to catch them in the act.
Fraternal twins Brady and Boomer are average teenagers until the day a representative from the country of Kinkow arrives at their Chicago high school to inform them that they are, in fact, heirs to the throne of the island nation. The boys relocate to claim their heritage, but it's not as easy as it sounds. The island is home to a number of odd superstitions and customs, which clash with their American upbringing, and a disgruntled cousin tries to thwart their every move, hoping to claim the throne for himself. But Brady eventually leaves the island for good. After learning of that, Boomer intends to follow Brady, but a storm keeps Boomer on Kinkow. That same storm forces inhabitants of a nearby island to move to Kinkow. Among those new inhabitants is Boz, Boomer's long-lost triplet brother. After discovering each other, Boomer and Boz get to know each other and learn to work together.
Mordecai, a blue jay, and Rigby, a raccoon, are groundskeepers at a park, but these best friends are lazy and don't let their jobs interfere with their ability to have fun. While Mordecai tries to be responsible and do a good job, he's frequently led astray by his immature pal, who is totally without fear or shame. The friends often end up having to pay for their irresponsible actions as they usually get into more trouble than they anticipated. Their slacking off at work causes much chagrin for their hot-tempered gumball machine boss, Benson.
Murphy's Law states that anything that can go wrong will. That doesn't bode well for 13-year-old Milo Murphy, a descendant of the man for whom the law was named, and who feels like he's living it. Milo is always expecting the unexpected. He's prepared for anything that comes his way, though, as he is armed with knowledge, a backpack full of supplies and a strong sense of optimism to help him get through any problem. Milo has best friends Melissa and Zack by his side to help think outside the box to overcome the obstacles that life puts in their way. Multiple Grammy winner "Weird Al" Yankovic provides the voice of Milo, in addition to performing the show's theme song and other tunes featured on the animated series.
When magical princess Star Butterfly receives a royal magic wand for her 14th birthday, she proves to her parents that she is not ready for the responsibility that comes with it. As a result, they send her to a place that doesn't have magic -- Earth -- in hopes that she will gain maturity. Upon her arrival, Star is given a family to help guide her, so she moves in with the Diaz family, which includes teenage son Marco. Star takes Marco with her as she battles villains -- both in their high school and throughout the universe -- as she attempts to protect her powerful wand.
A trio of fish -- brothers Milo and Oscar, along with dramatic goldfish Bea -- attend school in an aquarium in a pet store. They cope with the usual trials of teens, like dating, friendship, sports and school issues, along with some more unusual things, like giant lobster attacks and field trips to hamster cages.
In this spinoff to "The Suite Life of Zack & Cody," siblings Zack and Cody Martin make new friends and get into fresh mischief after moving into their new home aboard the S.S. Tipton.