The Tonight Show Starring Johnny Carson Season 18 Episode 73 David Letterman (guest host), Ralph Nader

In season 18 episode 73 of The Tonight Show Starring Johnny Carson, David Letterman steps in as guest host while Johnny is away. The episode features an interview with activist and political figure Ralph Nader.

As the show opens, Letterman addresses the audience with his signature humor and wit. He introduces Nader, who enters to a round of applause. The two engage in a lively conversation about Nader's work as a consumer advocate and his concerns about the state of American politics.

Nader discusses his view that wealthy donors hold too much sway over politicians and that the country needs a system of publicly funded elections. He also talks about his work on issues such as automobile safety and environmental protection.

Throughout the interview, Letterman keeps the mood light with his comedic commentary. At one point, he jokes that Nader would never win a beauty contest, to which Nader quips back, "I win them in a landslide in every state except California and New York."

Following the interview with Nader, Letterman welcomes musician Al Stewart to the stage for a performance. The two chat briefly before Stewart launches into a rousing rendition of his hit song "Year of the Cat."

The episode also features a comedic skit in which Letterman and a guest actor poke fun at the idea of having a substitute host. The skit parodies the typical "Tonight Show" format with exaggerated humor and silly gags.

Overall, season 18 episode 73 of The Tonight Show Starring Johnny Carson offers a mix of political commentary, music, and comedy. The banter between Letterman and Nader is both insightful and entertaining, while the skit adds a lighthearted touch to the show.