This television episode refers to:
September 15, 1984 - September 5, 1992
Dwight is using a tape recorder to record the meeting in the office while Michael is on vacation. Jim has some fun with him, telling the recorder that Dwight is nude, holding a plastic knife to Stanley's neck - all just to get Dwight riled up. Karen tells the tape recorder that Dwight (who is supposed to be naked) has a tattoo of the Muppet Babies on his stomach.