It's a zombie attack! It was time to dress up on the Chrisley Knows Best Season 4 finale.

This is a photo of Todd Chrisley and his daughter Savannah. They star on a dumb USA reality show.

Todd Chrisley does not look too happy in this photo, does he? We wonder what is wrong.

This is a photo from Season 4 of Chrisley Knows Best. The episode is titled "Truth or Chair."

The Chrisley family really enjoy a family photo. Right?

WHOA! Check this out! This is a photo from the Chrisley Knows Best Fourth of July episode.

Is he being serious? Oh yes, yes he is. Flipping out.

Todd reacts here to something Julie is saying. This is a scene from Chrisley Knows Best Season 4 Episode 18.

Yup, Savannah Chrisley is dressed like a strawberry in this photo. Don't ask why. Just go with it.

Todd stares into the mirror during this Chrisley Knows Best scene. He really likes to look at himself.

Todd laughs it up here with the rest of the Chrisleys. This is a photo in promotion of Season 4.

The Chrisley family looking great as they promote Season 4B.