When Irona starts malfunctioning, Richie receives a replacement model, Urona -- and he soon develops his first crush.

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 Richie volunteers at a school, he does more harm than good. Meanwhile, Murray adopts Cliff as his big brother.

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.

After dealing with numerous disputes between his money spender, Darcy, and his money manager, Murray, Richie decides that the two must trade places.

Harper is left in charge of Richie when Cliff must leave home for the night. Meanwhile, Murray attempts to tutor Tulip in math.

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.

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.

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 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.