'Til Death (2006)

S4E6 The Ex-Factor

Joy has made a lively and attractive new friend named Eileen, who turns out to be Eddie’s former girlfriend. Initially, their friendship appears harmless, but everything shifts when Joy invites Eileen over, and Eddie starts to get nostalgic, crossing a line. At the same time, Kenny believes he’s being a great boyfriend by looking after his new girlfriend's kids, unaware that she might be taking advantage of his goodwill.