While Martha Mitchell is in the hospital, Congresswoman Barbara Jordan, D-TX 18th district, is shown on 1974 TV as member of the House Judiciary Committee that voted for 3 Articles of Impeachment against Richard Nixon. Nixon announced his resignation August 8th, 1974, effective noon on August 9th, 1974.
In the courtroom on the witness stand Liddy sings the Horst Wessel song, about a Nazi martyr.
At the end of the closing credits you can hear a portion of the "erased" tapes as referenced earlier in the episode with actor Martha Kelly who portrays Rose Mary Woods, holding her foot on the tape machine, thereby perpetuating to have accidentally removed 18 1/2 minutes.