The Slap (US) 2015 S1, E4

A once happy family suddenly begins to fall apart following a seemingly minor incident in which a man slaps another couple's misbehaving child.

Cast:Brian Cox , Melissa George , Lucas Hedges , Marin Ireland , Makenzie Leigh , Thandiwe Newton , Zachary Quinto , Thomas Sadoski , Peter Sarsgaard , Uma Thurman , Dylan Schombing , Victor Garber , Sophie Okonedo , Maria Tucci , Khalid Alzouma , Cliff Moylan , Derek Michalak , Owen Tanzer