There were a few extended and deleted scenes that were not featured in the original version of the movie, but were in some made-for-TV versions. 1. There was an extended scene where Ernest was washing himself in a washing machine, and was staggering after he stepped out. 2. A scene where Ernest was trying to sneak out of jail and was found by the searchlights. Then, he was making shadow puppets. 3. An extended scene where Nash (as Ernest) was in Mr. Penalsmythe's office negotiating the clerk job. 4. A deleted scene where Ernest was working as a bank clerk.
During the scene in prison where Ernest attempts to get into the character of Nash and does all the impressions, he does one impression of Sylvester Stallone. The line that Ernest says is "Hey you, Murdock, you're the guy who shot my brother..." The character of Murdock was played by Charles Napier in Rambo: First Blood Part II (1985), which starred Stallone. Charles Napier plays Warden Carmichael in Ernest Goes To Jail.
Of all the famously eccentric actors whom Ernest imitates at a mirror in jail, Sylvester Stallone is the only actor who was not a classic one at the time. He is the only actor who was still alive and who was still acting in movies during and after the time this movie was made.
Before Ernest is put in the electric chair, he is asked if he wants a blindfold or a cigarette. Ernest responds with, "I'm afraid of the dark, and cigarettes'll kill you." Ironically, ten years later Jim Varney died of lung cancer that was brought on by a lifetime of smoking.