The title refers to the three parts of a fishing line that are lowered into the water and can be lost if caught, snagged or if the line is broken pulling in a fish. The idiom that uses the term means that everything has been lost such as with a broken fishing line and is not recoverable.
Some gun scenes were edited out of this short upon it's re-release on VHS.
This is the second episode to feature Louie the Mountain Lion.
This is the first and only episode to feature Louie the Mountain Lion's son.
The title is a pun on the phrase "hook, line and sinker".