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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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.
Zack wanted to stay and work on his project with Spencer and Cam, so he tried to trick Floyd, by turning the clock handles back to a certain time but they were transported into the past where they meet a boy. When they returned to their…
Zack has a record of the lowest mark at Horace Hyde White, producing an F-minus on a physics quiz, so when Spencer downloaded an internet physics tutorial to help Zack's intelligence, Zack's headphones were plugged into the modem, making…
When Zack, Cam, and Spence join to figure out more digits after the decimal for pi, they surf the net to check out information about a new rock star. But when Ms. Arlington arrives, and checks what they were doing, Zack lost himself in…
Gwendolyn is hosting a party and she needs a DJ, so Vernon and Zack tries out. While Zack was trying to practise on his (terrible) DJ skills, he spun a record backwards, and hears something, a message. Spencer was there to stop him, but…
When Zack and his friends go on a camping trip, Zack's father decides to join them to give them tips. Zack, trying to get away from his father wanders into the woods with Spence and Cam. But they were suddenly zapped into another world,…
When Spencer was doing an experiment on Zack for his sleeping habits for the science fair, Spence discovers that Zack can enter other people's dreams. Zack fell asleep after Vernon did, so Zack invaded Vernon's dream. The case is that…
Zack creates a comic book about his ears, because he did not like everyone saying that he had big ears. It turns out that Zack destroys the comic and everyone thinks that it was about Zack and Sarah, so Vernon goes to repair it and…
While Zack along with his classmates, visited the museum for a school trip, Zack touched a field phone which gave him shell shock, just like a soldier who had also used a phone in World War I. Now, whenever Zack is exposed to an old…
When Daniel Greenburg accidentally buys Girl Power deodorant for Zack while shopping, and Zack uses it, he becomes a girl! Now, Vernon is flirting with Zack, while Gwen starts plucking his eyebrows. And even worse for Zack, Cam is going…
When Zack's soccer team, coached by Daniel Greenburg who is more interested exercise and fun than winning games, they started to lose too many games. This made Red MacDonald, who coached the Horace Hyde team in the past, angry and…
One minute Cam is making fun of Zack, the next minute he is a frog! Spence and Zack must turn Cam back into a human before Vernon takes his place on the swim team.
A boy named Gilbert, has come back to finish unfinished business when he was alive. And now, Zack is the only one who can see him, so Zack is being blamed for all the pranks Gilbert is setting up. Pranks are pulled all over Zack's house…
Zack develops super-human strength to save his father's life. But instead of going back to normal after his adrenaline cools down, Zack gets stronger. So strong he's dangerous!
Daniel Greenburg hates Zack making messes, and he wants Zack to take responsibility and clean up before he does anything else. When Spencer and Cam visits, Zack says he lost his dad's medallion. Cam checks the vacuum, but he turned on the…
Sarah ends her relationship with Zack. Zack discovers a sword in a stone, and pulls it out. Then Merlin appears, who is usually ""an old guy with the blue hat"", is now in the form of a teenager, and reveals that he was trapped in the…
When Zack decided to visit the Music store to purchase a copy of a CD that would impress Sarah, but Cam was there and suggesting too many CDs. Zack was only able to buy one or two, but Cam kept on stuffing CDs into his hands, and when…
Zack started joining almost every club at Horace Hyde, and he becomes overworked when he had to attend every club and finish all his projects. When a new mirror enters the school, he discovered that another Zack had entered their…
Zack's mother returns to Zack and his father so she could spend some time with Zack. Zack gets in the middle of arguments of who would keep Zack, because his father wanted Zack to spend time with him to watch games while eating dinner,…
During an election with Gwen, Cam and other candidates, Zack and Spencer did not know who to vote for. Spencer decided to try an experiment with Zack by putting him in a tub of water and see what Zack does during his sleep, and what kinds…
Zack's fear of growing up causes him to regress back to childhood when he discovers that he is going to have a Bar Mitzva Celebration at his church. Zack actually transformed back to when 7 years old, and he started acting like a child…
During the robot creation contest, Zack found out he was looking at something else when he put on a special kind of glasses that Spence was going to use for his robot. Spence's challenge was to win the contest with the robot's ability to…
Zack falls into Mr. Munk after walking through the door, and Zack just disappeared and he finds himself inside Mr. Munk's body. He was controlling every movement of the headmaster's body. He gathers up his team, Spencer and Cam and tells…
When Zack was practising playing the guitar, he was given a chance to try on Spencer's interactive gloves which gives him a feeling of playing a guitar. Then the gloves began to go crazy, and Spencer was able to release it from Zack's…
Zack discovers that his life is a reality TV show, seen on another planet. One of the crewmembers of viewing this show visits Earth to tell Zack that he has bad ratings and Zack has to make sure that he continues to receive viewers or his…
As the Season Finale, Zack's records were sent out the window when he participated in a fight with Vernon, and Zack lost his entire memory. Zack's friends must retrieve the Zack Files and tell him all of the most important Zack Files to…
Zack must take part in a Shakespeare play - Romeo and Juliet in order to pass English class, and he was assigned to act as the role of Romeo.
