The Circus trailer offers a look at the return of Showtime’s political documentary series Today, Showtime revealed that they have ordered a new season of the hit political documentary series The Circus: Inside the Greatest Politcal Show on Earth. Returning Sunday, March 19 at 8:00pm ET/PT, the show will examine the riveting and unprecedented events unfolding – both inside and outside the Beltway – in President Donald Trump’s first 100 days in office.