With the release of 'Marmaduke,' movies are going to the dogs. Here are some of the most memorable pooch-filled movies, from Lassie to ToTo to 'Lady and the Tramp.'
In the 2009 flick 'Hotel for Dogs,' two orphans try hide their pet pooch in an abandoned hotel when their strict new guardians tell them pets are forbidden in their home.
2008's 'Marley & Me' pulled at the heartstrings of everyone who's ever owned a dog. The movie proved once and for all that pets are part of the family too.