Season 1 aired in the US first, while Season 2 (from episodes 203-213) aired in Canada first. The airdates for the first aired date in season 2 are listed.
| Screenshot |
Title |
Original airdate |
Production code |
# |
 |
"The Room" |
September 18, 2005 |
101 |
1 |
| Casey decides that she wants Derek's room for her own, arguing that she and Lizzie have no space. Derek, naturally, is upset at being asked to give up his room, which he's lived in for his entire life. George and Nora decide to redecorate the basement for Casey, who nearly makes Derek want to move into the basement, and she gets his room. George and Nora end up taking the basement room, and Casey takes their room. |
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"The Fall" |
September 25, 2005 |
103 |
2 |
| Casey trips at school, and Derek nicknames her "Klutzilla", a name that quickly spreads throughout the school. Lately Casey seems clumsy everywhere. She blames Derek's teasing for her klutziness, but is there another reason? |
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"The Party" |
October 2, 2005 |
104 |
3 |
| Casey and Derek must convince their parents they can be left alone for the weekend. Casey intends to have a quiet weekend at home and watch some movies with Emily, but Derek has other plans, inviting numerous people over for a party that turns out of control! When Casey and Derek get in a fight, they get locked in the bathroom. Can they make their way out and shut down the party before their parents get home? |
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"Puppy Dog Tails" |
October 16, 2005 |
107 |
4 |
| Living-room redecorating creates strife within the family, as Casey, Lizzie, and Nora want to add a feminine touch to the household, while Derek, Edwin, Marti, and George are perfectly content with the way the household is. |
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"Grade-Point: Average" |
October 23, 2005 |
109 |
5 |
| Casey discovers she has a reputation as a grade-grubber and wants to rid herself of it by picking a slacker to work with on a group assignment - like Derek. Derek is on the brink of failing English and wants to pick someone smart to work with on the same group assignment - like Casey. Will they be able to pull off the project? |
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"The Wedding" |
October 30, 2005 |
111 |
6 |
| Casey and Derek volunteer to organize their aunt's wedding reception, but Casey's cousin, Victoria, is threatening to blow the entire thing apart. |
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"The Pox Father" |
November 6, 2005 |
112 |
7 |
| Derek's home sick with the chicken pox, and a secret - and Casey intends to find out what it is. |
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"House of Games" |
November 13, 2005 |
102 |
8 |
| The MacDonalds and the Venturis decide that the best places in the house aren't big enough for the two families, so they agree to decide by games of chance (dice, cards, etc) - but neither Casey nor Derek will leave anything to chance. They resort to trickery and cheating, with Derek ending up winning the final round. |
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"Marti the Monster" |
December 4, 2005 |
106 |
9 |
| Whose turn is it to babysit Marti? Casey needs the money, Derek wants to impress a girl who is completely opposite of Derek. - what now? |
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"Sweet Misery" |
December 11, 2005 |
108 |
10 |
| When Derek has a chance to save Casey from spraining her ankle and neglects her, Casey decides to use it for her own gain by threatening to tell George and Nora. She blackmails Derek for his White Stripes concert tickets, but he's not going to take this - not from his "interloper" stepsister. She also takes advatages of her sister duing the time of her sprained ankle. In the end, Ediwn and Lizzie end up blackmailing Casey and Derek into doing whatever THEY want after finding Casey ankle was better, but Casey didn't know it and Derek had pretending about hurting his leg. |
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"Babe Raider" |
December 18, 2005 |
110 |
11 |
| Casey notices Derek and Edwin playing a sexist video game ('Babe Raider') and immediately launches a campaign against the sexist attitudes in the house. But when Sam, Derek's best friend and Casey's crush, declares that he is a Babe Raider fan, Casey is confused. When she actually tries the game, she changes her tune, declaring it brilliant. When she comes into school dressed as Babe Raider, and under fire from Derek's accusations of hypocrisy, Casey is forced to decide if her feelings for Sam are more important than how she feels about Babe Raider. |
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"All Systems No Go" |
January 15, 2006 |
105 |
12 |
| The family's had macaroni and cheese for dinner three nights in a row, all their white clothes are now pink, Marti's making "potions" with Casey's shampoo, and Edwin and Lizzie get stranded at school! Chaos reigns in the McDonald-Venturi domain, despite Casey's best efforts to organize. Will her family ever appreciate it? |
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"Male Code Blue" |
January 22, 2006 |
113 |
13 |
| Casey likes Derek's best friend, Sam. Sam has feelings for Casey, too, but Derek has a plan - he's not about to lose his best friend to his stepsister. So, he creates a "male code", saying that best friends can't date their best friend's siblings. With this, Sam tells Casey he doesn't like her, leaving her heartbroken. In the end, after a wrestling match with Derek and Sam, Derek tells Sam he can ask Casey out. |
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| Screenshot |
Title |
Original airdate |
Production code |
# |
|
"Date with Derek" |
July 1, 2006 |
201 |
14 |
| When Derek asks Casey's best friend, Emily, out for a date, Casey has to wonder: Is he really interested in Emily, or is this some kind of revenge for "stealing" Sam? |
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"He Shoots, She Scores" |
July 29, 2006 |
202 |
15 |
| When Lizzie has a hard time playing hockey, Derek steps in as her trainer. Meanwhile, Casey coaches Edwin about talking to girls. |
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"Middle Manic" |
August 12, 2006 |
203 |
16 |
| Derek is tired of Casey and Sam's make-up, break-up phase. But when they break up for good, Edwin notices that Sam isn't playing as well as he used to in hockey. Derek gets worried that they won't go to the championship in Sweden, so Derek and Emily try to get them back together, even though Emily doesn't know Derek is only doing it to meet Swedish girls. |
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"The Venturian Candidate" |
September 29, 2006 |
204 |
17 |
| Casey has some great ideas to improve the school so she decides to run for school president on Student Council. But, when Emily advises her to keep in mind the risk of destroying her reputation, Casey decides to get Derek to run for her in the race. Casey and Derek both drop out of this race |
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"Battle of the Bands" |
October 6, 2006 |
205 |
18 |
| Derek and Sam are stoked for their upcoming performance in the Clash of the Bands contest at school and with them thinking Sheldon as an easy competition, they can't lose... until they find out that they're missing a good lead singer when Derek and the band practice in front of the family and end up getting bad feedback. Edwin proposes to find new female singers for their band for their image but they can't find good candidates... until Edwin hears Casey singing in the bathroom, he then realizes she may be good for the part! |
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"Lies My Brother Told Me" |
October 13, 2006 |
206 |
19 |
| When Casey accidentally forgets to do a science project for school, she goes to Derek for advice on lying to her teacher so she can get an extension. Derek suggests to tell her teacher that her dog died. But one lie begins to pile up after another. |
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"Crushing the Coach" |
October 20, 2006 |
207 |
20 |
| Lizzie's soccer coach asks Casey out. Derek discovers the coach is dating three other girls, and not telling Casey was making him quite insane and he begins to lose it. Therefore shows that even just a little bit, he cares for his step-sister. |
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"Prank Wars" |
October 27, 2006 |
208 |
21 |
| To pay Derek back for his many practical jokes, Casey pulls a huge prank of her own: stealing the office furniture from the new uptight Vice Principal. Everyone assumes Derek did it. The only two people who know he didn't are Casey and Derek. |
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"Freaked Out Friday" |
November 3, 2006 |
209 |
22 |
| While Casey is freaking out about her upcoming dance competition (by being even more dramatic and needy) and Derek is freaking out about his upcoming hockey playoffs (by being annoying), Lizzie and Edwin decide they're sick of being the ever-accommodating middle-kids and refuse to serve and help their older siblings. |
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"The Bet" |
November 10, 2006 |
210 |
23 |
| Derek keeps making bets with people and when Casey wants to join in, she bets that she can get a punk guy, Trevor, from school to ask her out. George and Nora worry about Casey's new look because her new look scares their family. Meanwhile, Edwin bets Lizzie that someone will call him cool. |
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"Mice and Men" |
November 17, 2006 |
211 |
24 |
| When Derek starts to have a crush on a girl named Kendra (Casey's new study partner), He begins to change his image so she can notice him. Meanwhile, Lizzie is in control of getting rid of the mouse problem in the house. |
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"Dinner Guest" |
November 24, 2006 |
212 |
25 |
| "Casey's dad is coming to town and Casey wants everything to be perfect so she gets rid of Derek by giving him money for a date. George is ok with it but Nora does not seem to be keen the idea. Her father, Dennis, comes, but Casey, wanting everything to be "perfect" messes up the dinner. Derek and Dennis gets along well, so they order pizza. But her father has to go. Casey had to clean up the kitchen and was really upset so Derek called her father to come back and to spend more time with Casey and Lizzie. During the episode, Derek breaks up with Kendra but then gets back together. |
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There will be a third season of Life With Derek.
