When does Untitled polo docuseries return?

Polo or Chovgan is a ball game that is played on horseback, a traditional field sport and one of the world's oldest known team sports. It originated in ancient Persia (modern-day Iran), dating back over 2,000 years. The progenitor of polo and its variants existed from the 6th century BC to the 1st century AD, as an equestrian game played by the Iranian nobility. The game is played by two opposing teams with the objective of scoring using a long-handled wooden mallet to hit a small hard ball through the opposing team's goal. Each team has four mounted riders, and the game usually lasts one to two hours.