Arquette stars in the drama as Allison DeBois, a medium who sees dead people and dreams about future events. After five seasons on NBC, Medium will move to CBS on Friday nights, where it will be paired with the similarly-themed Ghost Whisperer (starring Jennifer Love Hewitt).
In other CBS news:
--Freshman hit The Mentalist will move to Thursdays at 10 p.m. for its second season
--Spinoff NCIS: Los Angeles, will air after NCIS on Tuesday nights
--The Unit, Without a Trace and Eleventh Hour have been axed.