According to this episode, people were dying from eating the sausages. The sausages must have contained the deadly bacteria that causes botulism. Botulism is a life threatening food poisoning caused from improperly sterilized canned meats and preserved foods. Botulism is a paralyzing nerve toxin that can be deadly.
In Friend (1964), Doc's office had been done over so that the door to his back room was on a different wall, across from the entrance to his office. Now things are back to the way they had been.
Denver Pyle plays the father of Kevin Hagen, but in reality the actors are only eight years apart. Pyle was born in 1920; Hagen was born in 1928.