A cat belonging to one of the titular horrible bosses occasionally surprises the main characters but is not harmed during the film.
Saxon the police dog comes to no harm; neither does the escaped swan. A dog skull is seen very briefly but it doesn't belong to any dog we saw alive during the film.
A dog appears to have eaten something it shouldn't and its owner shakes it to try to get the object out. It turns out okay in the end and the dog is unharmed.
The dog, Buddy, is not harmed.
Hotel for Dogs
Though at one point all the dogs from the hotel are scheduled to be euthanized, they are all rescued and none of them die.
House of 1000 Corpses
A dog is seen sitting in a driveway. Later another dog is found in a shed and a cop points his gun at it but does not shoot. Neither dog is harmed.
While being chased by mobsters, a man releases his pet hamster in an airport and yells Rat! The diversion allows the man to escape and the hamster is rescued by a little girl.
Several dogs appear in the film but none are harmed or die.
Humanoids from the Deep
A dog has a bloody fight with a monster and later the dog's partial corpse is seen. Several other dead dogs are seen. A cat appears briefly but does not die.
Hunt for the Wilderpeople
A dog is injured while protecting his owner from a wild boar attack. The dog is then shot by his owner as the injuries are too severe.
I Am Legend
Dog is infected by a zombie-esque virus and is killed by her owner.
I Am Number Four
The dog - who is no ordinary Beagle - is injured badly but does not die.
I Heart Huckabees
During the camp scene, the fat Boy Scout kills a stray dog by hanging it.
The dog does not die. Two horses die of exhaustion but since they're not treated like pets, we're not going to count it.
A dog is briefly seen sitting on its master's lap. Nothing bad happens to it.