The Big Design Challenge Main cast, played by Lauren Laverne Episode 1x01: Episode 1 (Feb 14, 2022) Episode 1x02: Episode 2 (Feb 21, 2022) Episode 1x03: Episode 3 (Feb 28, 2022) Episode 1x04: Episode 4 (Mar 7, 2022) Episode 1x05: Episode 5 (Mar 14, 2022)