Season 1

The Library Of No Return Zack finally gets around to returning an extremely overdue library book (Alice in Wonderland) and is confronted by a furious Queen of Hearts, White Rabbit and Mad Hatter who put Zack on trial for his carelessness. Cam and Spencer are there to help him by becoming his lawyers and proving to the Queen of Hearts that Zack had not ripped out pages from the book, and it was Vernon who did it.

You Don't Say Zack and his Dad pay a visit to Henry Gold's Magic Shop where Zack picks up a guide to Vaudeville ventriloquism. With a little practice, Zack learns to throw his voice. He started to have some fun during class, and humiliate Vernon during his presentation, etc... Soon, Zack's voice was becoming more weak and Zack was starting to lose his voice. Suddenly, his voice was released from Zack and it starts telling everyone his secrets. Secrets about his friends, and Zack must retrieve his voice before all his thoughts about his friends are out.

It's a Wonderful School It's election-time at Horace Hyde-White School for Boys and Headmaster Killerby unveils his latest acquisition - an early 20th century voting machine. Everyone's worst nightmare is realized when the voting machine misfires, transforming Horace Hyde-White into the Vernon Manteuffel School.

Quiet Please, I'm Reading Your Mind It's hard to mind your own business when you're suddenly given the power to read other people's minds. While embarking on some surveillance, Zack is zapped by a headset, leaving him with the temporary ability to read other people's minds.

Zack gets sucked into a vortex while trying to find a missing sock in the dryer.

Total Rewind Zack thought his father was out to purchase the Dreambox, an amazing DVD player, but Dan comes home with an old VCR that he bought from Vernon's father. While programming the new VCR, Zack, Cam and Spencer found something strange connected to the VCR, and they accidentally pick-up a signal from outer space. Before you know it, Zack and company are face-to-face with extra-terrestrial beings that are on the hunt for a human specimen……Vernon.

Loose Lips: A Dog's Story When Zack accidentally learns the secret to communicating with dogs, but he only can communicate with them if the dog is in a moving vehicle. No one believed his story, but a dog spoke to him and told him there was an impending bomb threat. This bulldog named Spike was a former police dog which sniffed out bombs.

Crypt Seeker Computer game dream girl, Tara Bond, comes to life and quickly becomes Zack's worst nightmare. In exchange, Spence is trapped inside the computer with Bond's sidekick. Cam and Zack must find a way to throw her back into the game.

Misfortune Cookie A mysterious cookie predicts that all of Zack's wishes come true. And they do, unfortunately. Every wish turned out wrong for Zack, first his room disappeared and when Zack wanted to go to a music concert, Zack and Cam was zapped to the garbage dump (because the name the band was similar to a garbage dump). Now, Zack and his friend cannot get out because everywhere, there was junk.

Run, Zack, Run Determined to win first prize in a charity race, Zack buys a new pair of sneakers..only to discover that once he puts them on, he can't stop running.

Deja Vudoo It was at Gwen's birthday party where Zack had his first date, and Spencer was videotaping the event to see if anything strange happens. Zack finds out that he could rewind time and end his disastrous day, but everytime was a disaster.

One Bad Seed Suffering from basketball fever, Zack fears he's too short to make the team, until he accidentally swallows an orange seed and finds himself growing into a very tall..tree.

Fibre! Zack's wish to be older is suddenly granted when Zack eats a mysterious cereal…. And finds himself aging at an alarming speed.

Photo Double Zack accidentally gets stuck in his Photo ID card when an old roll of film steals his image, leaving his body in a zombie state. Zack needed to get out because he had a date with Rita, but it didn't work so the zombie Zack had to go, with the help of Cam. Spencer looked for a photographer and finds a model, to explain about the situation, and how to resolve it.

But I'm Too Young to be my Dad When Zack's future son, Mack, travel back through time to get help from his father Zack realized how difficult it is to be a parent.

Anchovy of Doom When he was working on his science project about Human Apportion, Zack decided to take a break and eat some pizza, but before he ate, he zapped Gwen, Dickie, Tad, Todd, and Vernon into a terrarium and all of those 5 became only 8 centimetres tall.

Exit, Stage Fright Zack gets a bad case of stage fright, which of course, causes his pants to dissolve.

The Talented Mr. Talisman Zack enlists the aid of an ancient charm doll to protect his accident-prone father. Soon, Zack finds out that Zack's father was fired from his job because that was what Zack wanted - Daniel not to be ever injured again.

Sparkin' Zack can create sparks and romance between people after visiting the Science Centre

This Is Your Conscience Calling Zack and his conscience have a falling out when Zack abuses his ATM privileges. When he found out that his bank account was set with lots of money, he starts spending hundreds of dollars on items on the Shopping Channel. He soon realized that it was a glitch and he must pay back the thousands of dollars he spent.

The Switch Zack and Charles (Vernon's Butler) switch bodies when they go through a revolving door at the same time. Zack had a rough time doing everything for Vernon while Charles helped Zack's father a lot by preparing dinner, cleaning everything in the house, etc...

The Bottom Line Zack finds out that he can accurately predict the future using his new glasses. When he holds something, words would begin to form that explained to him what would happen in the future with that object. Cam started to buy and buy chocolate bars because there will be a shortage of chocolate in the future while Zack became a star when everything found out he had such power.

Gone Zack becomes invisible when he drinks invisible ink.

It's A Jungle In There Zack's neighbour's apartment turns into a jungle. His friends try to find a way for Zack to escape.

A Place Of My Own Zack finds out it is very hard to live on his own, when he magically receives an apartment.

Dinner With Grandpa Grandpa Maurice, who had passed away, drops by the Greenburg's for dinner. Zack was the only one who could see this ghost. Dan invited Jennifer, his mother - Leah and Zack's friend Sarah dropped by.