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Primary photo for The Three Impossibilities

The Worst Witch

The Three Impossibilities (Season 4, Episode 1)

TV Episode | 30 min | Family, Fantasy

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When a botched potions experiment leaves Mildred with a whole new look, can she complete three impossible challenges and reverse the spell before the sun goes down?

Director

Dirk Campbell

Writers

Neil Jones (lead writer) | Jill Murphy (novels)

Producer

Composer

Cinematographer

Editor

See all filmmakers & crew (55)

Edit Released

Updated Jan 27, 2020

Release date

Jan 27, 2020 (United Kingdom)

Awards

Series awards

2 wins & 6 nominations

Contacts

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Cast	+ Add Cast
18 cast members

Name	STARmeter	Known for
Lydia Page Mildred Hubble Mildred Hubble See fewer	Members only	The Worst Witch (2017)
Jenny Richardson Ethel Hallow Ethel Hallow See fewer	Members only	The Worst Witch (2017)
Kelsey Calladine-Smith Indigo Moon Indigo Moon See fewer	Members only	The Worst Witch (2017)
Megan Hughes Maud Spellbody Maud Spellbody See fewer	Members only	The Worst Witch (2017)
Tamara Smart Enid Nightshade Enid Nightshade See fewer	Members only	The Worst Witch (2017)
Clare Higgins Miss Cackle Miss Cackle See fewer	Members only	Hellbound: Hellraiser II (1988)
Raquel Cassidy Miss Hardbroom Miss Hardbroom See fewer	Top 5000	Downton Abbey (2019)
Zita Sattar Miss Tapioca Miss Tapioca See fewer	Members only	Holby City (1999)
Annette Hannah Mabel Tapioca Mabel Tapioca See fewer	Members only	The Worst Witch (2017)
Ynez Williams Beatrice Bunch Beatrice Bunch See fewer	Members only	The Worst Witch (2017)
Kitty Slack Clarice Twigg Clarice Twigg See fewer	Members only	The Worst Witch (2017)
Billie Boullet Fenella Feverfew Fenella Feverfew See fewer	Members only	The Worst Witch (2017)
Trixie Hyde Sybil Hallow Sybil Hallow See fewer	Members only	#Valentines Day (2021)
Shauna Shim Miss Drill Miss Drill See fewer	Members only	Big Nothing (2006)
Dagny Rollins Felicity Foxglove Felicity Foxglove See fewer	Members only	The Worst Witch (2017)
Saoirse Addison Izzy Jones Izzy Jones See fewer	Members only	Type Rare (2016)
Bella Ramsey Mildred Hubble Mildred Hubble See fewer	Top 5000	Game of Thrones (2011)
Lamissah La-Shontae Cackles Academy pupil (uncredited) Cackles Academy pupil (uncredited) See fewer	Members only	Tribal Get Out Alive (2020)