Season 8 Ep 711/10/2003

When Ray lies to his mother to get out of spending the evening with her, the lie grows when Debra and the twins cover for him. Then, Robert tries to spill the beans and even more lies are told. However, when Ray and Debra start lying to each other, they wind up having a huge fight about it in front of the family, until Marie amazingly breaks down their intricate deception.