 | 1x01 Putting Two 'n Two Together (Air Date: Sep. 25, 1998) Mary-Kate and Ashley try to convince Kevin to hire one of his new students, Carrie, as their babysitter after they get tired of Ms. Baker. |
 | 1x02 The Tutor (Air Date: Oct. 02, 1998) With much difficulty, Ashley finally convinces Mary-Kate to switch places with her when a tutor comes over that Ashley likes so that she can flirt with him and try to get a date. Meanwhile, ... |
 | 1x03 Prelude to a Kiss (Air Date: Oct. 09, 1998) While at a slumber party, Ashley is shocked when Mary-Kate tells everyone that she has kissed a boy. Meanwhile, when Paul discovers that Carrie has been spending a lot of time at Kevin's ... |
 | 1x04 First Crush (Air Date: Oct. 16, 1998) Pokey Valentine, Ashley's crush and history partner, starts spending all of his time with Mary-Kate which creates some big problems. |
 | 1x05 Breaking Them Up is Hard to Do (Air Date: Oct. 23, 1998) Mary-Kate and Ashley decide that they have to come up with a scheme to make sure that Carrie won't leave when Kevin starts dating a woman named Marci. |
 | 1x06 Nightmare on Carrie's Street (Air Date: Oct. 30, 1998) Mary-Kate and Ashley disobey Kevin when they switch costumes with Max and Brian in order to attend a Halloween party with Carrie that Kevin has forbid them from going to. |
 | 1x07 The Heartbreak Kid (Air Date: Nov. 06, 1998) Carrie decides to get Mary-Kate a homing pigeon as a pet because of her bad experiences in the past with animals. Meanwhile, Ashley becomes upset after discovering that her crush, Taylor, ... |
 | 1x08 You've Got a Friend (Air Date: Nov. 13, 1998) Mary-Kate becomes jealous after Ashley comes home with a new friend named Nicole. Meanwhile, Carrie tries to help when Kevin and Eddie argue. |
 | 1x09 Model Behavior (Air Date: Nov. 20, 1998) Mary-Kate is thrilled when a teen model search comes to their school, but a damper is quickly put on the whole thing when Ashley wins the photo shoot over Mar-Kate. |
 | 1x10 Peeping Twins (Air Date: Nov. 27, 1998) Mary-Kate and Ashley falsely assume that they saw their elderly neighbor, Ms. Baker, kill her boyfriend while they were spying on her through Kevin's new telescope. Meanwhile, Carrie tricks ... |
 | 1x11 A Very Carrie Christmas (Air Date: Dec. 11, 1998) After Carrie accepts Kevin's invitation to have Christmas dinner with him and the girls, everyone is shocked to find that Walter, a homeless man that Carrie brought for dinner, has stolen ... |
 | 1x12 Let's Dance (Air Date: Jan. 08, 1999) Mary-Kate and Ashley are making preparations to attend their first school dance, but Mary-Kate only has one goal, and that's to dance with Jeremy. But when she finds that Jeremy can only ... |
 | 1x13 Split Decision (Air Date: Jan. 15, 1999) After they begin to argue which leads to them moving to separate rooms, the girls discover just how much they really do love each other once they are separated. Meanwhile, Carrie mistakenly ... |
 | 1x14 My Boyfriend's Back (Air Date: Jan. 29, 1999) Carrie comes up with a scheme to make her old boyfriend jealous when he comes back to town. Meanwhile, things don't go off smoothly when Mary-Kate and Ashley throw a party. |
 | 1x15 No Man's Land (Air Date: Feb. 12, 1999) When Ashley gets a crush on Eric, a huge sports fan, but she doesn't know the first thing about sports, Mary-Kate decides to help her out. Meanwhile, after Kevin causes problems in his friendship ... |
 | 1x16 Carrie Moves In (Air Date: Feb. 19, 1999) After Kevin forgets to mail Carrie's rent and it gets her kicked out of her apartment, he has to try to find a place for her to live. |
 | 1x17 Mr. Right Under Your Nose (Air Date: Feb. 26, 1999) Mary-Kate's advice to Ashley on how to double the money that she raised for the school fundraiser by gambling it doesn't turn out the way she had hoped. Meanwhile, Carrie has to figure out ... |
 | 1x18 Welcome Matt (Air Date: Mar. 12, 1999) Kevin isn't happy when his brother, Matt, comes to visit because he knows that he's not able to be trusted. |
 | 1x19 The Odd Couples (Air Date: Mar. 19, 1999) Mary-Kate and Ashley find their newest class assignment of pretending to be married to be very difficult. Meanwhile, Kevin doesn't like it when Carrie starts dating his brother, Matt. |
 | 1x20 When a Man Leaves a Woman (Air Date: Mar. 26, 1999) Kevin tries to find a way to politely break up with Nancy after becoming bored with their relationship. Meanwhile, Kevin and Carrie discover that the reason that Mary-Kate refused to go ... |
 | 1x21 The Goodbye Girl (Air Date: Apr. 02, 1999) Mary-Kate and Ashley set up one final dinner together for Kevin and Carrie before Carrie leaves for South America for the summer. |
 | 1x22 Kevin Burke's Day Off (Air Date: Jul. 09, 1999) Ashley learns a lesson in friendship when she learns that she will have to pull a mean prank on Mary-Kate's new friend to make the cheer squad. Meanwhile, Carrie and Kevin go to a ballgame ... |