75 years ago, on February 2, 1950, the first mystery guest was revealed on the premiere episode of What’s My Line? Do you ...

Although recency bias may bring Joe Biden immediately to mind, the most famed one-term President of the United States would arguably be James Earl Carter Jr., or, as he's most commonly known, Jimmy ...

What’s My Line? is a popular panel game show that features celebrity panelists who ask questions to determine the contestants’ occupations. It is one of the longest-running primetime network ...

In the heart of the nation's capital, in a courthouse of the U.S. government, one man will stop at nothing to keep his honor, and one will stop at nothing to find the truth.

Complete episode list, ratings, and streaming details for What's My Line? Season 1.