Seth introduces Chrismukkah, a Cohen family tradition combining Kirsten's Christianity and Sandy's Jewish heritage. Seth juggles two girls. Kirsten's issues with her father worsen. (S1 E13)
The whole gang is invited to Chrismukkah at the Cohens' house, but Seth's favorite holiday is nearly ruined as secrets are revealed that will change the Cohen family forever. Summer, Marissa and Ryan make a plan to save Chrismukkah. (S2 E6)
Somber Summer misses her mom. Johnny's misfortune forces him to take action. Kirsten tries to make amends with Julie. Seth invents another holiday. (S3 E10)
It's time for another Chrismukkah in Orange County. After Ryan and Taylor have an accident while hanging holiday lights, they realise that everything is not as it seems, and they must do whatever it takes to make things right again. (S4 E7)
