In "Black as Cole", Cole proposes to Phoebe while they vanquish a low-level demon. Later they find that Sykes has been mimicking Belthazor and in a bid to vanquish him Cole takes on his demonic form but has Phoebe create a potion to kill his demonic half if he can not change back. Before he can change back, a woman looking to avenge his killing of her love picks up the potion and throws it at him, causing Belthazor to die. In "Lost and Bound", Paige gets Cole a job as a legal aid lawyer. However he can't control his emotions and soon quits but not before the landlord who he was arguing with agrees to put the heating back on.