The final episode of the beloved quiz show Millionaire Hot Seat will air tonight, ending a 25-year-long reign on Australian television screens. Millionaire Hot Seat began as Who Wants to be a Millionaire? It eventually evolved into the Hot Seat format in 2009 and expanded to the current one-hour format back in 2017. Millionaire Hot Seat is Australia’s longest-running quiz show and is the only program on Australian television where it is possible to win $1 million. The final new episode of Millionaire Hot Seat airs tonight at 5 pm on Channel 9 and 9Now.