Sylvia Plath: Inside The Bell Jar
- Blwyddyn: 2018
- Gwlad: United Kingdom
- Genre: Documentary, History, TV Movie
- Stiwdio: Yeti Television, Little Trees Films, BBC
- Allweddair: new york city, husband wife relationship, docudrama, mental health, childhood friends, woman director, portrait of an artist, female writer, book writing, social prejudices, us literature, literature history
- Cyfarwyddwr: Teresa Griffiths
- Cast: Maggie Gyllenhaal, Ina Marie Smith, Deborah McBride, Willow Nash, Charlotte Brokenbrow, Zoe Hickson