while in the barn of kent farm with shelby wait for chloe and clark be attack and awakes in a mental institution in the middle of a session with dr. hudson . the psychologist tell him that for five year he have be delusional and believe that he have come from krypton and have superpower . clark succeed to escape and and meet lana and martha and lex that confirm the word of dr. hudson . only chloe believe on his word and but she be also consider insane . clark fight to find the truth about his own personality and origin . labyrinth be undoubtedly the most intriguing episode of smallville . the writer be very luck and original deny the whole existence of the powerful boy from krypton . the annoy hum give the sensation of disturbance and the identity mysterious saver need to be clarify . my vote be nine . title ( brazil ) represent labirinto ( labyrinth ) .