Like Father, Like Son, Like Hell - S4.E7

After Robert and his sister Carmen learn that the man who raised them isn't Robert's biological father, Dirk and Robert decide to track the real man down. After spending some time with his biological father, Robert discovers a shocking secret about him. Though Bobby tries to hide the fact that Courtney invited her boyfriend over to the house while Neesee was working, Neesee quickly discovers the two are hiding something