Downton Abbey scribe Julian Fellowes’ next project is coming to American airwaves this weekend.

Titanic, Fellowes’ miniseries about the doomed ocean liner that sank 100 years ago this weekend, is set to air on ABC Saturday from 8 p.m. to 11 p.m., and with the gripping conclusion Sunday from 9 p.m. to 10 p.m.

The miniseries stars Linus Roache (Law and Order), Geraldine Somerville (the Harry Potter films), Jenna-Louise Coleman (new Doctor Who companion), Toby Jones (the Harry Potter films, The Hunger Games), and Stephen Campbell Moore (The History Boys).