|Season 1, Episode 6|
|Air date||October 30, 2005|
|Written by||Suzanne Bolch & John May|
|Directed by||Ron Murphy|
Casey's aunt is having a wedding, and Casey is supposed to help design the wedding, and Derek is going to film the wedding. Casey can't wait to get started -- that is until she remembers her aunt's daughter (her cousin), whom Casey has never gotten along with. Casey must tolerate her, and keep being insulted by her cousin if she wants to make the wedding perfect.
- Michael Seater: Derek Venturi
- Ashley Leggat: Casey McDonald
- Jordan Todosey: Lizzie McDonald
- Daniel Magder: Edwin Venturi
- Ariel Waller: Marti Venturi
- Joy Tanner: Nora Venturi
- John Ralston: George Venturi
Guest starring Edit
Vicky: What are you doing?
Casey: (hugging Vicky) Don't ask. Just hug.
Casey: Well, you don't have to worry about me ruining your mother's wedding because I quit! And if I could quit being your cousin, I'd quit that too! (storms out)
Vicky: Fine! Quit all you want! I don't want to be part the stupid wedding or your stupid wedding
reception! I'm going to my room!
Lizzie: You don't live here!
Vicky: I'm going to your room!
Lizzie: Upstairs on the right!