On 17 October 2019, the series was officially renewed for a fourth season at Nine's upfronts, also confirming Fordham, Maddern & Flintoff returning for the fourth season. The series will again be relocated, filming will take place at Melbourne Showgrounds in Ascot Vale. Due to the COVID-19 pandemic, Nine has introduced Audience Lock-out meaning members of the public can not attend as audience, only family members of contestants will be allowed to attend, as well as co-host Rebecca Maddern, who was put in self-isolation, was temporarily replaced by Shane Crawford for two heats, she has since been cleared and returned to filming. Crawford returned to the season as sideline commentator for the Semis and Grand Final after Freddie Flintoff had to fly back to the UK before coronavirus pandemic measures came into effect. The fourth season began airing on 26 July 2020.
