The third episode of The United States of Tara airs this Sunday.

What can fans expect in the installment?

According to Korbi Ghosh from Zap2It, fans are gonna spend some time with Kate's new "Barnaby's" boss this Sunday - and he's an even bigger douchebag than Marshall's teacher.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.