Cat Fishin' is a 1947 Tom and Jerry cartoon directed by William Hanna and Joseph Barbera.
Summary[]
Spike is guarding a private fishing hole - in his sleep. Tom sneaks in to do some fishing - with Jerry as bait. But one particularly vicious fish turns out to be more than Tom or Jerry bargained for, particularly when he wakes up Spike.
Plot[]
Spike is guarding a private fishing hole... in his sleep. Tom sneaks in to do some fishing, using Jerry as bait. Jerry refuses to stay hooked, and fishes up some real trouble of his own. One particularly vicious "fish" turns out to be more than Tom or Jerry bargained for, especially when it wakes up Spike.