In Josh Barnett's case seeking to block certification of the Arizona election, the judge has ordered briefs to be submitted by 3:30 pm today with oral arguments to be heard at 4 pm (mountain time).

The hearing will be live streamed.
(Individual broadcasts can be found by searching for a case on the court website using the name "Barnett" in the case name search bar.)

https://www.superiorcourt.maricopa.gov/calendar/today/