How To Kill Your Sister: Story, Cast and Series Facts

Story and premise

After 8 years of silence, Anna finds herself on the doorstep of her older sister Kat in a car with a coffin mounted on the roof. Anna announces she is terminally ill and wants Kat to accompany her on her last trip to Spain. Along the way Anna finally wants to find out why Kat abandoned her after the death of their parents. 

The two estranged sisters set off on a hilariously dark road trip, doomed to derail. The closer they get to their destination, the harder it becomes to hide the secrets they both harbour.

Series details

• Title: How To Kill Your Sister
• Format: Scripted
• Language: Dutch
• Genres: Drama, Comedy
• Premiere date: 2025-08-21
• Final broadcast date listed: 2025-08-21
• Status in TVmaze: Ended
• Web channel listed by TVmaze: Streamz
• Network country: Belgium
• Typical episode runtime: 44 minutes
• TVMaze ID: 86602
• IMDb ID: tt32621968
• TVDB ID: 465800

Cast and credited roles

• Emma Rotsaert — Anna
• Marjan De Schutter — Kat
• Nico Sturm — Frank
• Sofie Decleir — Judith
• Peter Gorissen — Stefaan
• Lukas Bulteel — Tom
• Els Olaerts — Mia

Seasons in the TVmaze catalogue

• Season 1: premiered 2025-08-21; final listed air date 2025-08-21; episode order: 6.

Source and licence

Adapted from How To Kill Your Sister on TVmaze. The synopsis is reproduced as plain text; catalogue facts, cast and season records are selected and reformatted. This adapted text is available under CC BY-SA 4.0, following the TVmaze API licence. Network and web-channel credits identify the service listed in this source; they do not establish current streaming availability.