This is an episode list of the animated television series, The X's. The final episode of Season 1 has not aired, after the show was cancelled as of January 1, 2008.
| # | Airdate | Title | Overview | Production Code |
|---|---|---|---|---|
| 1 | November 25, 2005 | AAIIEE, Robot! | Mrs. X breaks her leg. To solve this problem, Truman builds a replacement. This doesn't seem to work too good. | 105A |
| Mission: Irresponsible | Superior decides to take Mr. and Mrs. X out of their rank. He then puts Truman and Tuesday in command. | 105B | ||
| 2 | November 25, 2005 | License to Slumber | Mrs. X arranges a slumber party for Tuesday. But during it, the family begins to fight Glowface. Tuesday tries to cover up the truth of her family. | 103A |
| Three Days of the Coin Op | Truman's unauthorized upgrade of Home Base forces the computer offline for a day. | 103B | ||
| 3 | November 25, 2005 | Photo Ops | The X's get a family portrait taken to try to blend in as a normal family. | 101A |
| Boy's Best Fiend | Truman gets a puppy for his birthday, but it turns out it was from Sasquatch, a S.N.A.F.U agent. Agent Sasquatch had turned all of the U.N leaders into animals. | 101B | ||
| 4 | December 9, 2005 | Mr. Fix It | Mr. X continues trying to be a normal dad. He learns that normal dad's fix things, so that's what he begins to do. | 104A |
| Doommates | Truman and Tuesday have to share a room. | 104B | ||
| 5 | December 16, 2005 | Secret Agent Manual | Mrs. X and the kids trick Mr. X into giving them stuff they want by rewriting his official spy manual to include the items they desire. | 102A |
| The Spy Who Liked Me | Tuesday's first date is with a guy who's too good to be true: in fact, he's a spy working undercover for Glowface. | 102B | ||
| 6 | January 13, 2006 | To Err is Truman | Truman attempts to be good and refrain from pulling pranks for one entire day, so that he will be allowed to join his family at the "world's greatest" amusement park. | 106A |
| No More Mrs. Nice X | Mrs. X is filled with peace and tranquility after she returns from a retreat, but unfortunately these qualities prove useless when confronting Glowface. | 106B | ||
| 7 | February 3, 2006 | On Her Majesty's Postal Service | Mr. X gets a job as a mail man. | 108A |
| Pinheads | Tuesday wants the family to learn how to bowl. | 108B | ||
| 8 | February 17, 2006 | From Crusha with Love | A girl at school picks on Truman. He finds out that it's because she likes him. | 111A |
| Xcitement | Mr. X has a dirty little secret that's locking him away from being a spy and hanging with his family. But what could it be? | 111B | ||
| 9 | February 24, 2006 | You Only Sneeze Twice | The entire family gets sick, except Tuesday. The family is under her care. But what will they do when she's called on a mission? | 110A |
| X Takes a Holiday | Mr. and Mrs. X go on a relaxing date. But while they're away, Tuesday and Truman throw a party. Then Glowface attacks Homebase. | 110B | ||
| 10 | March 3, 2006 | Mock Tutors | Truman and Tuesday are failing their cooking and tennis classes (Tuesday with cooking; Truman with tennis). So they try to help them with those subjects. Mrs. X helps Truman and Mr. X helps Tuesday. | 109A |
| Meddle Mouth | Truman finds the perfect opportunity to irritate Tuesday when she gets braces. He interferes with her braces and makes her act crazy. | 109B | ||
| 11 | March 17, 2006 | Family Issues | In their continuous effort to be like "normal families," the X's visit a family counselor to see what kind of issues "normal families" have. | 107A |
| Truman's Choice | Truman gets a chance to capture the most wanted villain, which is Copperhead. The family begins to suck up to him in order to get to capture Copperhead with him. | 107B | ||
| 12 | April 7, 2006 | Wealth vs. Stealth | When the X's win a billion dollars, they must balance their new fame and fortune with their spy work. | 112A |
| Wee House | Sick and tired of being short, Truman builds a small replica of Homebase for him to live in. | 112B | ||
| 13 | June 16, 2006 | Truman X: Super Villain | When the X's punish Truman for hotdogging a mission and blowing up the X jet by selling all his spy gadgets in a garage sale, Glowface convinces the boy to join S.N.A.F.U. His first mission: destroy the X's. | 113 |
| 14 | September 22, 2006 | A Truman Scorned | Truman has a crush on Tuesday’s friend Kimla. Truman realizes there’s only one way to get past this "little kid" thing – he has to tell her he’s really an international super spy. Not surprisingly, Kimla doesn’t believe him. What is surprising is that she continues to disbelieve his story even when he sneaks her along on a mission and the truth is right in front of her nose. | 114A |
| Y's Up | The archenemies of the Xs, the Ys, move in next door. The Xs suspect that they are up to no good, but can prove nothing until the Ys show their true agenda. | 114B | ||
| 15 | September 29, 2006 | Quit Your Day Job | When Tuesday is suspicious of Brandon, the X's find out he is a part-time S.N.A.F.U. agent. | 115A |
| Missing Home | Homebase explodes when the X's forget his birthday. Without Hombase, the X's need to survive on their own. | 115B | ||
| 16 | October 6, 2006 | Live and Let Diaper | The X's have to watch a neighbor's baby, and they can't change it's diaper. Will they be able to ever change a diaper? | 117A |
| In-Law Enforcement | The X's try to prevent Mrs. X's parents from realizing that they're spies when they come for a visit. | 116A | ||
| 17 | October 13, 2006 | Train Rex | After the X's go on a mission, Truman has a single day to train Rex or else he will go to the pound. | 116B |
| Homebody | Truman creates a body for Homebase so he could carry the Xs' weapons, which the X's do not like. | 115B | ||
| 18 | October 27, 2006 | The Haunting of Homebase | Truman attempts to scare his family and turns Homebase into a haunted house, but Glowface takes control of the Homebase and soon, Tuesday, Mr. and Mrs. X are zombies. Can Truman stop Glowface's evil plot before his brain is eaten? | 120 |
| 19 | November 25, 2006 | Accidental Hero | Truman saves a baby from one of his own paintball traps and is hailed as a hero; Tuesday tries to expose him | 119A |
| Untied | After his tie reflects off onto Glowface's base walls, he suffers a tie loss. He now can't fight. Can the other X's save him from his loss of "tie-tie", or will the X's become nothing? | 119B | ||
| 20 | December 13, 2006 | Theater of War | Brandon will do Romeo in the school play, and Seven Y competes with Tuesday to see who will be Juliet in the play. | 118A |
| Summer at Camp | Mr. X takes Truman to his favourite childhood camp, hoping he'll love it too. Turns out he doesn't. Series Finale | 118B |