When Sam's laptop gets stolen, the iCarly gang tries to help track down the thief. Meanwhile, Spencer can't visit his favorite arcade unless he's accompanied by a child. His luck turns when Guppy needs a babysitter.
When Sam learns her Mom is in a Vegas jail, the gang decides to gather their most prized possessions, drive to Vegas and pawn their stuff to make enough money to bail her out.
Sam's friend gets out of juvy and Sam warns everyone to stay away, but Carly doesn't listen and finds herself in over her head. Back at the loft, Spencer finds a pair of night vision goggles.
The iCarly crew tries to find an adult friend for Spencer.
When Carly bans T-Bo from the loft, he retaliates by not letting Carly into the Groovy Smoothie. Meanwhile, Freddie and Gibby discover being in a band has many perks... and a few drawbacks.
Carly, Sam, and Freddie wonder why people can't celebrate Halloween more than once a year. They decide to celebrate it halfway through the year as well creating a new holiday termed "Halfoween" and have a party.
Sam and Gibby secretly operate a restaurant in the basement at school, while Spencer creates a security robot that goes haywire.