The player can freely run through three cell doors to retrieve the crystal, but once it's collected, the room's wall begins closing in, blocking off the route back! The player has to free three keys to open the locks by navigating the chains attached to them through the mazes on the bars.
|2018-06-15S4E2: Celebrities 2|| Felstead|
|2018-06-29S4E4: Celebrities 4|| Madeley|
|2018-08-03S5E3: The Holmes Family|| Holmes|
|2018-08-17S5E5: The Vikings|| Pollard|
|2018-08-24S5E6: The Science Nerds|| Banks|