with 18 episodes premiered on December 9, 2007

with 10 episodes premiered on May 31, 2006

The first season of The Hills, an American reality television series, consists of 10 episodes and was broadcast on MTV. It aired from May 31, 2006, until August 2, 2006. The season was filmed primari… see more

with 12 episodes premiered on January 15, 2007

The second season of The Hills premiered on January 15, 2007 and concluded on April 2, 2007. The season continues to follow the lives of Lauren Conrad, Heidi Montag, Audrina Patridge and Whitney Port… see more

with 28 episodes premiered on August 13, 2007

The third season of The Hills, an American reality television series, consists of 28 episodes and was broadcast on MTV. The first portion aired from August 13, 2007, until December 10, 2007, while th… see more

with 20 episodes premiered on August 18, 2008

The fourth season of The Hills, an American reality television series, consists of 20 episodes and was broadcast on MTV. It aired from August 18, 2008, until December 22, 2008. The season was filmed … see more

with 20 episodes premiered on April 6, 2009

with 12 episodes premiered on April 27, 2010