Looney Tunes S1936E13 - Fish Tales

Porky's going fishing, but his boat careens out of control. He finally settles in and quickly catches several fish, then falls asleep with his line in the water. While he sleeps, a fish catches a dream version of Porky and takes him home to the fish's family. Porky narrowly escapes, but has run-ins with other marine life, only to awaken and throw his catch back.