After a night out with Zion, Paul comes home to a startling discovery. Austin receives a surprise visitor at school.

Sparks fly as Paul and Zion’s families join the Millers for a holiday dinner. Austin looks for his Christmas gifts — and makes a dangerous find.

Georgia worries Nick will reveal what he knows as she schemes her way up the Wellsbury social ladder. At school, Ginny gets an icy reception.

Paul and Georgia clash over her parenting style, Ginny throws a rager, and Cynthia finds love in an unexpected place.

A meteor shower spreads infection across an entire town, affecting some of the inhabitants more than others.

Our heroes, Sam and Dean Winchester, continue to be tested in the battle between good and evil, but one impulsive decision could alter the lives of one the brothers forever.