Black dog
Black dog or blackdog may refer to:
How to Train a Dog
How to Train a Dog is a 1936 short film released through MGM Studios starring Robert Benchley.
The short film demonstrates how not to train a dog, following Benchley's character getting the dog from a pet store.
The Dog
The Dog or The Dogs may refer to:
Pretty Polly
Pretty Polly may refer to:
Pretty Polly (film)
Pretty Polly( also known as A Matter of Innocence) is a 1967 British film, directed by Guy Green and based on the short story," Pretty Polly Barlow", by Noël Coward.
It stars Hayley Mills, Shashi Kapoor, Trevor Howard, and Brenda De Banzie.
The film is largely set in Singapore.
Dog (disambiguation)
A dog is a mammal.
Dog or dogs or The Dog or doggie may also refer to:
Sheep dog (disambiguation)
A sheep dog is a dog or breed of dog traditionally used in the herding of sheep.
Sheep dog or Sheepdog may also refer to:
Lost Dog
Lost Dog or Lost Dogs may refer to:
Pretty Polly Stakes
Pretty Polly Stakes may refer to:
Pretty Girl
Pretty Girl or Pretty Girls may refer to:

Question: Which film came out earlier, How To Train A Dog or Pretty Polly (Film)?
Answer: How To Train A Dog