Show Details: November 2018
While reading the second question of the second Panel Round, Peter Sagal said "Australia" instead of "Antarctica". He would later say "Antarctica" while explaining the story.
During the Listener Limerick Challenge, the panel assisted the listener contestant by saying "Shhh!" for the first limerick, meowing for the second, and whistling "Jingle Bells" for the third.
A few audience members shouted out answers while Tara Clancy tried to figure out the answer for her fourth Lightning Fill-in-the-Blank question. Mo Rocca made a sound while Adam Felber was trying to figure out his fourth Lightning Fill-in-the-Blank question.
Included in this Best Of show was a panel round question that was not included in the edited version of the Wait Wait... Don't Tell Me! 20th anniversary show from 2018-10-27.