Season 1
- 1Episode 122 Sep 2015
- 2Episode 229 Sep 2015
- 3Episode 36 Oct 2015
- 4Episode 413 Oct 2015
- 5Episode 520 Oct 2015
- 6Episode 627 Oct 2015
Gareth Malone searches for Britain's most entertaining amateur singing group, in a music contest with a difference - groups must sing a cappella.