The series followed Henrietta "Hettie" Hubble, (Mildred's younger cousin), through her years at Cackles Academy. Mildred is seen in the first episode accompanying her cousin to Cackles, before magically returning home. Hettie quickly becomes friends with Mona Hallow (Ethel's younger sister) and Crescentmoon "Cressie" Winterchild. The new enemy of Cackles is filled by Belladonna Bindweed and the sidekick is filled by Cynthia Horrocks. Miss Hardbroom and Miss Cackle return, and are joined by new members of staff Caspian Bloom, Miss Swoop and Miss Widget/Miss Nightingale.
Give a witch a bad name
Confidence trick
Rules rules rules
No place like home
Trick or treat
Truth or lies
Deadly doubles
The levitating boomerang broomstick
The visitors
The bewitching of mona hallow
The black hole club
Time after time
The enemy within
The curse of cackles
Lost and found
Girls will be boys
Next week's news
The big sleep
Back to basics
The friendship test
King kong kittie
The wish wimble
Hettie's final warning
Mr. perky pentangle
Saturday witch fever
The odd couple
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