Plot: 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 Hills - Season 4
First Episode Aired On:
Monday, August 18 2008
16 years ago
Monday, August 18 2008
16 years ago
Last Episode Aired On:
Monday, December 22 2008
16 years ago
Monday, December 22 2008
16 years ago
Number of Episodes: 20