Harry Shearer

Associated PressHarry Shearer attends the 35th anniversary screening for "This is Spinal Tap" during the 2019 Tribeca Film Festival at the Beacon Theatre on Saturday, April 27, 2019, in New York. (Photo by Andy Kropa/Invision/AP)

Impressionist Harry Shearer joined the show to promote his new parody song “Son in Law” about Donald Trump as well as gave his history of impressions as he was the voice of many characters on “The Simpsons” and how he goes through a process of making an impression of someone.