How Not To Live Your Life - Series 3 - Don Does Therapy

The news that Brian intends to propose to Sam at his birthday party makes Don realise he still has feelings for her. It dawns on him that maybe, just maybe, he has some women issues, so he decides to try out therapy. At work, Jason sees Don's sadness and suggests he goes to the party to confess his feelings for Sam before Brian proposes. Don agrees but drags Jason with him. They go dressed as Lethal Weapon on a mission to confess Don's feelings for Sam. What could go wrong?!