Download the application form from ABC's website and complete it. Each household member must sign the form, including minors.
Record your application video. This video must contain the following elements: a family greeting shot where each family member introduces himself, a tour of the house, an interview with each family member and a goodbye shot where the entire family says goodbye to the camera. If another person nominated you to be on the program, that person must also be present in the video and explain why he chose to nominate you.
Send the application form and video to the following address: Lock & Key Productions, 5062 Lankershim Blvd. Suite 3005, North Hollywood, CA 91601.