MTV Cribs and CMT Cribs, depending on which channel it airs, is a franchise reality television

Reality television

Reality television is a genre of television programming that presents purportedly unscripted dramatic or humorous situations, documents actual events, and usually features ordinary people instead of professional actors, sometimes in a contest or other situation where a prize is awarded...

 program that originated on the MTV Networks

MTV Networks

MTV Networks is a division of media conglomerate Viacom that oversees the operations of many television channels and Internet brands, including the original MTV channel in the United States...

' MTV

MTV

MTV, formerly an initialism of Music Television, is an American network based in New York City that launched on August 1, 1981. The original purpose of the channel was to play music videos guided by on-air hosts known as VJs....

. It later aired on its CMT

CMT

- Medicine :* California mastitis test* Certified Massage Therapist* Cervical motion tenderness, a sign of pelvic inflammatory disease* Charcot-Marie-Tooth disease* Chemically modified tetracyclines* Circus Movement Tachycardia...

 channel that features tours of the houses and mansion

Mansion

A mansion is a very large dwelling house. U.S. real estate brokers define a mansion as a dwelling of over . A traditional European mansion was defined as a house which contained a ballroom and tens of bedrooms...

s of celebrities. The first show aired September 2000. By 2005, Cribs had featured tours of the homes of over 185 celebrities, musician

Musician

A musician is an artist who plays a musical instrument. It may or may not be the person's profession. Musicians can be classified by their roles in performing music and writing music.Also....* A person who makes music a profession....

s, actor

Actor

An actor is a person who acts in a dramatic production and who works in film, television, theatre, or radio in that capacity...

s, and athletes over the course of 13 seasons.