Subscribe and 🔔 to OFFICIAL BBC Trailers 👉 https://bit.ly/2XU2vpO Stream original BBC programmes FIRST on BBC iPlayer 👉 https://bbc.in/2J18jYJ Based on the true story of the notorious 70s killer who became the world’s most wanted man. The Serpent | Trailer | BBC #BBC #BBCTheSerpent #BBCiPlayer #BBCTrailers All our TV channels and S4C are available to watch live through BBC iPlayer, although some programmes may not be available to stream online due to rights. If you would like to read more on what types of programmes are available to watch live, check the 'Are all programmes that are broadcast available on BBC iPlayer?' FAQ 👉 https://bbc.in/2m8ks6v.