Bad Sisters is an Irish black comedy television series developed by Sharon Horgan, Dave Finkel, and Brett Baer. Set in Dublin and filmed on location in Ireland, it is based on the Belgian series Clan, which was created by Malin-Sarah Gozin. The first two episodes aired on 19 August 2022. Apple TV+ renewed the series for a second season on 8 November 2022, which started releasing episodes on 13 November 2024.

The first season received a positive reception from critics and won a 2022 Peabody Award. It received a leading twelve nominations at the 19th Irish Film & Television Awards, winning four including Best Drama, and received the British Academy Television Award for Best Drama Series at the 2023 BAFTA Awards alongside two additional wins. Season 1 received four nominations at the 75th Primetime Emmy Awards, including Outstanding Lead Actress in a Drama Series for Horgan.