TV series

The Sing-Off 2009

TMDB 4.7 Reality

Featuring the country's best a cappella groups performing popular songs like you've never heard them before. There's no lip-synching, backup bands or safety net. They'll be singing for America's vote, with the winner walking away with the ultimate prize - a Sony Music recording contract and $100,000.

Watch free in the UK

Not listed as free in the UK right now.