Tahj tells Richie he wants nothing more than to be in the hip-hop game just like his dad, so Richie does his best to support his friend.
Richie is suspicious of his new British neighbor after he notices him copying Richie's life. Meanwhile, Harper hosts a telethon for homeless turtles.
After Richie's house is burglarized, he forms a superhero squad with Darcy and Murray to capture the intruder.
World-famous DJ Swedish House Sensation surprises Richie by paying him a visit at home. Meanwhile, Harper gets kicked off her school's debate team.
When Richie is named Man of the Year, he struggles to decide who to bring as his guest after only being offered one ticket to the ceremony.
Richie's future adult self travels back in time to ask for Richie's help. Meanwhile, Harper realizes she made a huge error on her Harvard application.
A game designer convinces Richie he should have a game app based on his life. Meanwhile, Cliff helps Harper work on a musical number.
Everyone is waiting for Richie to release his next big invention, so he works with Murray, Tahj and his Dad to brainstorm the next big thing.
When Richie, Darcy and Murray learn that their summer camp has burned down, they decide to host all the campers at Richie's house.
Richie, Murray and Tahj all develop crushes on beauty pageant contestants who are in town for a competition.
When their Grandma Barb visits, Richie and Harper discover a surprising family secret. Meanwhile, Darcy hires a personal fashion designer.
Richie agrees to go to the Swedish House Sensation concert with Murray and Darcy on the same night he promised to be at family game night.
Richie is assigned to do a school report on a foreign country, so he contacts the king of an island to set up a "research" vacation.
Richie and Harper set up their dad, Cliff, on a date. Meanwhile, Darcy and Murray decide that they should be trained as Richie's security detail.
When Richie struggles to write a book report on "The Wizard of Oz," his neighbor Tahj convinces him to make a major motion picture as his report.
Harper is left in charge of Richie when Cliff must leave home for the night. Meanwhile, Murray attempts to tutor Tulip in math.
After dealing with numerous disputes between his money spender, Darcy, and his money manager, Murray, Richie decides that the two must trade places.
Richie, Darcy and Irona go to Antarctica, seeking a new frozen life form. Meanwhile, when Tulip cancels on Harper for girls weekend, Cliff steps in.
When Richie volunteers at a school, he does more harm than good. Meanwhile, Murray adopts Cliff as his big brother.
Richie is convinced his room is haunted and enlists the help of Darcy, Murray and Irona to try to get rid of the "spirits."
When Irona starts malfunctioning, Richie receives a replacement model, Urona -- and he soon develops his first crush.