This is the first time that Charles refers to himself as Major Charles Emerson Winchester "the Third".
First episode that did not have a scene in the operating room, not counting Season 4's "The Bus" and "Hawkeye", as those episodes were not set at the 4077th.
This is the second time Klinger has tried to bribe his way out of the Army. He made the attempt in "Payday" (1975), with Lt. Colonel Henry Blake.
The public address announcement states "Attention, all personnel. Attention, all personnel. The South Korean Mobile Army Recruiting Office has just entered the camp. Uncle Syngman wants you." Syngman Rhee was president during the outbreak of the Korean War.
The medal Cho Pak wears is the Order of the Rising Sun (either 5th or 6th class). This indicates that Korea was occupied by Japan when Mr. Pak was in the army.