Lotsa Luck - Season 1 Episode 6 Mom's Secret
Overview: Stanley and Olive notice that their mother has gone out three nights in a row supposedly to do the laundry at a laundromat. They become even more suspicious when she almost forgets the laundry bag before she leaves. But then Bummy comes by and partially solves the mystery: he saw her the night before going into a bar -- accompanied by a gentleman.