The sole season, consisting of 22 episodes, began airing on History on February 18, 2016.

The show features Ferguson and a panel of special guests including comedians, actors and academics discussing unorthodox and provocative historical topics.

[1] The title of the show refers to the well-known 1754 political cartoon of the same name, which was created by Benjamin Franklin and became a symbol of colonial freedom during the American Revolutionary War.

[2] Individual episodes cover topics such as bad medical ideas, worst political blunder, most influential drug, most influential band, greatest Founding Father, and history's biggest frenemies.

During the February 24, 2016 episode of the online show Larry King Now, Ferguson told host Larry King that 22 episodes of Join or Die had already been produced.