Season 1
Episode: 1x01 | Airdate: Mar 18, 2005
When Zack and Cody want to make friends, they meet Max and Tapeworm. After the 'Drew Crew' finds out where they live, they suddenly want to hang out with the twins. London needs to higher her grades so Moseby hires Maddie to tutor her. In the meantime, Maddie develops a crush on Lance the lifeguard and asks London for advice on how to be mean because he is obsessed with water.
Episode: 1x02 | Airdate: Mar 18, 2005
Zack and Cody want new bikes but can't afford them. A beauty pageant comes to the Tipton and Cody accidentally is put in it. Zack takes advantage of this and convinces him to stay in so they could use the prize money. Cody crushes on a pageant contestant, Rebecca, and wants her to win.
Episode: 1x03 | Airdate: Mar 25, 2005
Moseby won't let London go out with her friends because of an article about her in the newspaper, but Moseby lets London go out with her friends because Maddy is going. Maddie and Jason find they have a lot in common with each other and start to like each other. Maddie needs Zack and Cody's help to fool Jason into thinking that she is rich.
Episode: 1x04 | Airdate: Apr 1, 2005
A hotel inspector takes control of the Tipton from Moseby, causing him to lose his job. But Zack and Cody cause chaos in the hotel to make the inspector look bad and get Moseby's job back.
Episode: 1x05 | Airdate: Apr 8, 2005
Zach and Cody have been spending way too much money which causes them to get grounded. But when they learn a celebrity couple are holding their wedding at the Tipton and that if someone can get a picture of the kiss they get $20,000.00, Zach and Cody will have to use their sly ways to sneak in and get the picture to pay off their moms bill. Will they succeed?
Episode: 1x06 | Airdate: Apr 15, 2005
Carrie receives anonymous flowers with a beautiful poem outside her door. She thinks they were sent by the concierge, but Zack and Cody don't think that he is telling their mother the truth. They set out to find their mother's real secret admirer.
Episode: 1x07 | Airdate: Apr 22, 2005
Zack and Max enter a dance competition, making Cody feel that Zack is better than him at everything. When Zack hurts his ankle by jumping on the bed, Cody has to step in for him, learning to appreciate his own abilities. London lends Maddie money for her parents, but then uses Maddie's indebtedness to exploit her ruthlessly.
Episode: 1x08 | Airdate: May 6, 2005
Maddie gets her prom to be at the Tipton after London convinces Mr. Moseby. Maddie also wants someone special to ask her to the dance. Zack, thinking that he is the one that Maddie wants to take her to the prom, shows up to the prom in a tux.
Episode: 1x09 | Airdate: May 20, 2005
Zack and Cody enter the Battle of the Bands that is held at the Tipton. Zack and Cody have some differences about their band, so they break up the band. Once it comes down to it, they realize that they work better together that apart.
Episode: 1x10 | Airdate: Jun 3, 2005
Cody goes to Math Camp with Tapeworm. Zack misses him and has London drive him there. London learns to drive.
Episode: 1x11 | Airdate: Jun 18, 2005
Episode: 1x12 | Airdate: Jul 17, 2005
Episode: 1x13 | Airdate: Jul 22, 2005
Episode: 1x14 | Airdate: Jul 22, 2005
Episode: 1x15 | Airdate: Aug 14, 2005
Episode: 1x16 | Airdate: Aug 28, 2005
Episode: 1x17 | Airdate: Sep 18, 2005
Episode: 1x18 | Airdate: Oct 1, 2005
Episode: 1x19 | Airdate: Oct 10, 2005
Episode: 1x20 | Airdate: Nov 26, 2005
Episode: 1x21 | Airdate: Dec 10, 2005
Episode: 1x22 | Airdate: Jan 1, 2006
Episode: 1x23 | Airdate: Jan 6, 2006
Episode: 1x24 | Airdate: Jan 13, 2006
Episode: 1x25 | Airdate: Jan 20, 2006
Episode: 1x26 | Airdate: Jan 27, 2006
Season 2
Episode: 2x01 | Airdate: Feb 3, 2006
Episode: 2x02 | Airdate: Feb 10, 2006
Episode: 2x03 | Airdate: Feb 17, 2006
Episode: 2x04 | Airdate: Feb 24, 2006
Episode: 2x05 | Airdate: Mar 3, 2006
Episode: 2x06 | Airdate: Mar 20, 2006
Episode: 2x07 | Airdate: Mar 21, 2006
Episode: 2x08 | Airdate: Mar 22, 2006
Episode: 2x09 | Airdate: Mar 23, 2006
Episode: 2x10 | Airdate: Mar 24, 2006
Episode: 2x11 | Airdate: Mar 31, 2006
Episode: 2x12 | Airdate: Apr 14, 2006
Episode: 2x13 | Airdate: Apr 28, 2006
Episode: 2x14 | Airdate: May 19, 2006
Episode: 2x15 | Airdate: Jun 2, 2006
Arwin has created a machine that lets Zack & Cody travel to a parallel universe
Episode: 2x16 | Airdate: Jun 10, 2006
Episode: 2x17 | Airdate: Jun 30, 2006
Episode: 2x18 | Airdate: Jul 7, 2006
Episode: 2x19 | Airdate: Jul 15, 2006
Episode: 2x20 | Airdate: Jul 28, 2006
Episode: 2x21 | Airdate: Aug 5, 2006
Episode: 2x22 | Airdate: Aug 11, 2006
Episode: 2x23 | Airdate: Aug 19, 2006
Episode: 2x24 | Airdate: Sep 8, 2006
Episode: 2x25 | Airdate: Sep 22, 2006
Mr Moseby organises a ballroom dancing competition to help raise money for a party for Esteban's sisters, and Esteban enters Zack and Cody in it.
Episode: 2x26 | Airdate: Oct 13, 2006
Episode: 2x27 | Airdate: Nov 10, 2006
Episode: 2x28 | Airdate: Nov 24, 2006
Episode: 2x29 | Airdate: Dec 8, 2006
Episode: 2x30 | Airdate: Jan 7, 2007
Episode: 2x31 | Airdate: Jan 27, 2007
Episode: 2x32 | Airdate: Feb 23, 2007
Episode: 2x33 | Airdate: Mar 2, 2007
Episode: 2x34 | Airdate: Mar 16, 2007
Episode: 2x35 | Airdate: Apr 6, 2007
Episode: 2x36 | Airdate: Apr 20, 2007
Episode: 2x37 | Airdate: Apr 20, 2007
Episode: 2x38 | Airdate: May 18, 2007
Episode: 2x39 | Airdate: Jun 2, 2007
Season 3
Episode: 3x01 | Airdate: Jun 23, 2007
Episode: 3x02 | Airdate: Jun 30, 2007
Episode: 3x03 | Airdate: Jul 8, 2007
Episode: 3x04 | Airdate: Jul 13, 2007
Episode: 3x05 | Airdate: Jul 22, 2007
Episode: 3x06 | Airdate: Jul 22, 2007
Episode: 3x07 | Airdate: Jul 28, 2007
Episode: 3x08 | Airdate: Aug 5, 2007
Episode: 3x09 | Airdate: Aug 12, 2007
Episode: 3x10 | Airdate: Aug 26, 2007
Episode: 3x11 | Airdate: Sep 15, 2007
Episode: 3x12 | Airdate: Oct 6, 2007
Episode: 3x13 | Airdate: Oct 27, 2007
Episode: 3x14 | Airdate: Nov 10, 2007
Episode: 3x15 | Airdate: Nov 17, 2007
Episode: 3x16 | Airdate: Dec 15, 2007
Episode: 3x17 | Airdate: Feb 1, 2008
Episode: 3x18 | Airdate: Apr 19, 2008
Episode: 3x19 | Airdate: Jul 19, 2008
Episode: 3x20 | Airdate: Aug 9, 2008
Episode: 3x21 | Airdate: Aug 16, 2008
Episode: 3x22 | Airdate: Sep 1, 2008