Sitter Dating Sister Mattress - S3.E17

Jen and Greg go to great lengths to find the perfect babysitter for Lark. Also, John becomes testy when shopping for a mattress and Joan realizes the unusual source of his aggravation; Heather learns information about Samantha's boyfriend that she isn't sure she should reveal; and Matt believes he may have a history with Colleen's sister after he meets her for the first time.