Catherine Reitman says there's a 'real hunger' for shows like the CBC comedy series 'Workin' Moms,' which enters its fourth season Tuesday. Reitman created and stars in the series, which follows a group of mothers balancing their careers and families. Co-stars include Dani Kind and Juno Rinaldi, who say their own kids are now old enough to realize their own moms are also workin' moms — and famous ones, at that.