From the public TV website...
This year, The Idaho Debates will be staged in front of a live audience at the Capitol building's new House/Senate Auditorium (WW02) in Boise. All debates will be broadcast and webcast statewide.
There will be 130 seats available to the public on a first-come, first-served basis. Cell phones, signs and outbursts such as applause or derisive shouts are prohibited during the debates.
The show starts at 8 p.m. and complete rules can be seen here.