Mac and the other friends start a car wash to pay for a porcelain poodle that Bloo broke. To help, Bloo throws mud at every car that goes by to get more customers.

Frankie goes to a mechanic to find out about the bus, which had broken down, and everyone wants to come along, slowing her down.

Frankie tells Bloo that static electricity can be produced by rubbing socks together. After learning this, he zaps Frankie, then Wilt, then both Wilt & Frankie at the same time. Running through the halls, he zaps Madame Foster, Coco and Jackie Khones. He tries to zap Mr. Herriman, but nothing happens. Bloo "re-charges" by rubbing onto the rug, a towel, an imaginary friend, and two socks. After that, he gives Eduardo a big zap. But in the end, Bloo zaps himself while trying to get the door open for his package.

Bloo tries to make a good recording message for the Fosters Home phone, getting various others to help. Eventually, Bloo gets satisfied with one but Madame Foster plugs too many devices into the same outlet as the phone, fricassing the phone from the overload.

Mac and Bloo have a staring contest and Eduardo tries to talk to them only to think they're frozen solid, consequently getting Frankie to tell him about it. More of the house's residents watch in a bet, as Mac seems to start losing his grip, only to recover it. It is revealed that Bloo was hiding behind a cardboard cut-out of himself.

Bloo tricks Mac into making crank calls to Mr. Herriman. Their joke is simply blowing raspberries into the phone, redialing again and again. Each time Herriman tries to get back at them by doing the same thing, it isn't them redialing, it's Frankie asking about groceries in the mall. The last call Herriman gets wasn't from Mac and Bloo or Frankie. It was from Madame Foster.

Mr. Herriman tells Bloo to sort the trash for punishment because Bloo hosted a mud-wrestling tournament in the living room. Mac comes along and talks Bloo into pretending it is fun so that other people will want to do it. Soon, he has everybody doing it. Mac tries to tell him that it isn't fun after Bloo refuses to go do something else. He thinks everybody is gonna take the trash for themselves and tells them to get out. Then he realizes it isn't fun without the guys and walks away, until Mr. Herriman comes in and tells him to finish sorting the trash.

Bloo is determined to win a game of Hide and Seek, so he hides in the trash. Things go awry when a few friends start playing "Kick the Trashbag".

Bloo makes a commercial for Fosters and ends up in trouble when a bunch of people show up because he told them that the first people there in 10 minutes get money and the Fosters bus.

Bloo leaves the fridge open after getting himself a snack, which leads to Frankie telling Wilt to order pizza. Bloo tells him to order five hundred pizzas, at the price of $6532.12. Frankie can't pay that much, so Bloo, Wilt and Ed stall Quinn the delivery boy by sitting on him (because the pizza is free if it isn't there in 30 minutes).

Eduardo tries to draw a story but Bloo, Wilt and Coco keep interrupting him, drawing their own additions to the story. Frankie interrupts them, revealing that they had been drawing on a wall in the house.

Mr. Herriman and Bloo try to out-eat each other in order to claim the toy prize at the bottom of a cereal box.

Bloo finds a strange rock digging in the yard and it is declared to be a fossil by Phineus B. Vurm, the bookworm imaginary friend. Bloo treats it as a pet until Frankie reveals it's actually petrified feces.

Bloo tries to decipher a message from friends whose vocabulary has only one word each, like Coco. When he figures it out, he doesn't believe it until he realizes it is true.

Eduardo has a British penpal and Bloo is convinced that it's the Queen of England. He tries to make her his penpal instead by writing her a letter. Mac suggests to use Nancy, an English pen imaginary friend, but Bloo claims it'll make the letter "boring". Mac then suggests a care-package to make her really believe that Bloo cares. Bloo brings in a huge package, but it turns out the penpal was really Nancy. She claims the package is "boring" and she can only use it as a doorstop.

It's Bloo's birthday, and his cake is being guarded by Mr. Herriman. After being refused to have his cake, Bloo leaves and Frankie comes in and sees Mr. Herriman sleeping on the job. She makes it look like he ate the cake in his sleep and leaves. Mr. Herriman soon wakes up and notices this and thinks he indeed ate the cake, at which point Frankie is yelling for Bloo to come into the kitchen, as they both enter, Frankie sees the cake is gone and scolds Bloo for it and threatens to kick him out. Feeling guilty, Mr. Herriman confesses that he ate the cake, on which both Frankie and Bloo begin to laugh, saying they pulled a prank on him and that the cake is just fine. When Frankie opens the refrigerator to show that the cake is fine, it actually is gone, having been taken by Madame Foster.

Jackie Khones questions Bloo about Mac's backpack and Bloo becomes obsessed with finding out what's in it.

Bloo ruins Mac's hair with gum the day before School Picture Day. Bloo tries to make it up to him but only makes matters worse.

Blooregard plans to play the ultimate trick on Halloween after tying down Mac onto a bed preventing another sugar rush, but when things go awry, most of the main characters of the residence turn into zombies in 3D!