|Twas the Night Before Chaos|
|Season 04, Episode 12|
|Air Date||December 13, 1994|
|Previous||Some Like it Hot Rod|
|Next||The Route of All Evil|
Twas the Night Before Chaos is the twelfth episode of the fourth season. Originally aired on December 13, 1994 on ABC in the United States.
Marty and his wife and kids, and Jill's parents come to visit. Jill learns her parents are having marital problems and tries to patch things up, only making them worse.