The Rachel Maddow Show (also abbreviated TRMS) is a daily news and opinion television program that airs on MSNBC, running in the 9:00 pm ET timeslot Monday through Friday. It is hosted by Rachel Maddow, who gained popularity with her frequent appearances as a liberal pundit on various MSNBC programs. It is based on her former radio show of the same name. The show debuted on September 8, 2008.