Robert Karnes (Maj. Gen. Frederick Fox) "Last Laugh" is an episode from the TV series M*A*S*H. It was the fourth episode of the sixth season, originally airing October 4, 1977 and repeated March 6, 1978, and written by Everett Greenbaum and Jim Fritzell and directed by Don Weis.

Leo Bardonaro, Robert Karnes as Major General Frederick Fox, and John Ashton as an MP.

Potter takes a look at the arrest order—it's from Major General Frederick Fox, and it accuses B.J.

Potter allows the MPs to take Hunnicutt to Seoul, and an hour later he follows with Hawkeye, evidence in hand.

In his office in Seoul, General Fox accuses Hunnicutt of holding a loud and boisterous party in a hotel room next to one he was occupying with his secretary.

Because of the smoke, Fox and his secretary, both naked, were forced to flee their room, interrupting the General's "official dictation".

Fox claims that the duty logs could have been forged, and presents a copy of the hotel register with what he alleges is Hunnicutt's signature.

finally relents after making Bardonaro promise to stop the childish practical jokes.

He laughs and explains to Hawkeye that Bardonaro will be walking back in half an hour, as the Jeep's tank was nearly empty.