AAIEE, Robot: On the X's very first mission, Homebase tells them that Glowface has a plan for chaos and destruction, so the X's go over there and try to stop him, but things don't go so well, as Glowface has a trick up his sleeve, Mrs. X decides to go after him, but falls for Glowface's plan and hits her leg on his coffee table. Mrs. X's leg is also now broken, and the rest of the family goes home to take care of her.
As she stays home watching spanish soap operas, the rest of the X spies try and handle Glowface themselves, but when it looks like they will lose again, Mrs. X comes in and saves the day with a rocket-powered wheelchair.
Mission: Irresponsible: The X's are on their second mission, and Mr. X is piloting their aircraft until he makes a careless mistake of flying out of bounds, so they quickly get off the plane, but they are in trouble with their boss and Homebase as they have destroyed a national monument known as Stone Henge, so now their boss thinks it is a good idea for them to switch places, they are all shocked about this, but then sometime later Truman and Tuesday think this is great idea, because they are in charge with higher levels of authority, and get to command Mr. and Mrs. X to do whatever they say now that they are on the other end of the stick. But then they both realize that they never thought how hard each other had it, and agree that they all should try and get things back to the way they were by making their boss think they are irresponsible again. Their plan works by destroying Mount Everest.