Three Impossibilities: [s4e1] The

Disguised as "Ursula Catnip" (played by Lydia Page, replacing Bella Ramsey), she struggles with her new identity while trying to fix her mistake.

A second riddle or grid that the girls must solve quickly. [S4E1] The Three Impossibilities

This final challenge is originally unreadable and ruined on the stone wall, forcing Mildred to use her ingenuity to figure it out before time runs out. Key Characters & Plot Points Disguised as "Ursula Catnip" (played by Lydia Page,

The "Three Impossibilities" are a set of tasks left by the very first Miss Cackle. According to legend, completing them undoes any spells cast on that day. replacing Bella Ramsey)

Involves navigating a complex stone template or grid found in an abandoned tower room.