Series 4

The fourth series of The Crystal Maze Online Adventure was produced from June 3 through June 10, 2020. Hosted by Robert and Joshua alternating episodes, the series consisted of twelve teams.

Bookings for the series took place through The Crystal Maze Online Adventure Facebook group. On June 10, 2020, Gin'll Fix It won the series over The Scarecrow Crew & Underwood's Great Escape respectively.

Development
After back-to-back production between Series 1 to 3, development on Series 4 happened forty-eight hours after the third series conclusion. Twelve teams appeared in the series, with Robert and Joshua returning as Maze Masers. The tenth episode featured a team from America who played a shortened version of twelve games, three per zone.