[s4e1] The Three Impossibilities -

If Mildred fails to complete the challenges by dusk, the transformation spell becomes permanent, and her old self will be gone forever.

is the first episode of the fourth series (season) of the 2017 TV adaptation of The Worst Witch . It originally aired on CBBC in January 2020. Story Overview [S4E1] The Three Impossibilities

Involves navigating a complex stone template or grid found in an abandoned tower room. If Mildred fails to complete the challenges by

The episode begins with Mildred Hubble and her friends returning to Cackle's Academy. After a botched potions experiment, Mildred's appearance is permanently transformed into a girl named . To reverse the spell before sunset, she must find and complete three legendary "impossible" challenges. The Three Challenges the transformation spell becomes permanent