Pitch Battle - Season 1

The opening episode's six groups include a cappella group All The King's Men; Polish jazz group Alle Choir; the London International Gospel Choir; female vocal soul group Songbird Sessions; Welsh choir Sgarmes; and 4 Tune Tellers and Kimmy. To progress, they must impress judges Gareth Malone, Kelis and Bebe Rexha. The programme opens with a musical mash-up arranged by Deke Sharon. Groups then go head to head in a series of knockout choral challenges. First they each perform their showstopper before battling it out with their opponent in a themed riff-off. The judges then decide which group goes through to the solo battles. At the end only two groups remain, where they must face the final battle. Here they share the same song, before Bebe Rexha joins in with the group the judges have chosen to go through to the final.

Six choirs and groups battle it out in a series of vocal challenges and must impress judges Gareth Malone, Kelis and Chaka Khan to win a place in the grand final.

In the third heat of Pitch Battle, hosted by Mel Giedroyc six more choirs and vocal groups of all different sizes and musical genres battle it out for a place in the live Grand Final.

The six groups in this episode include a cappella group The Bristol Suspensions, pop choir from Liverpool Over the Water, show choir Perfect 6th, all-female country group The Savannahs, Portsmouth UniversityGospel Choir and musical theatre performers Vocal-i-sing. They must impress the panel of musical judges - Gareth Malone, Kelis and guest judge Seal.

In this week's heat of Pitch Battle, hosted by Mel Giedroyc six more choirs and vocal groups of all different sizes and musical genres battle it out for a place in the live Grand Final.

It is the live final of Pitch Battle. Host Mel Giedroyc is joined by a trio of musical judges - Gareth Malone, Kelis and guest judge Deke Sharon. Between them they will whittle the six final choirs down to thetop two through a series of head-to-head, sing-or-be-sung-off choral challenges, leaving the viewers to pick the ultimate winner.