The Big Audition Main cast, played by Julie Walters Episode 1x01: Episode 1 (Oct 5, 2018) Episode 1x02: Episode 2 (Oct 12, 2018) Episode 1x03: Episode 3 (Oct 19, 2018) Episode 1x04: Episode 4 (Oct 26, 2018) Episode 1x05: Episode 5 (Dec 29, 2018) Episode 1x06: Episode 6 (Dec 30, 2018)
