Smallville: Season 9, Episode 4

9 - 4: Echo

After an explosive charge detonates, almost killing the hostages at a Queen Industries factory, Clark discovers that he has the ability to hear people's thoughts. He finds he's been given this ability temporarily to help him connect to people. Meanwhile, the Toyman returns and attempts to seek revenge on Oliver Queen for being framed for the death of Lex Luthor. Oliver, meanwhile, is continuing his own self-destructive patterns and may beat Toyman to the punch.