S4·E12 The Night of Miguelito's Revenge

Agent West is summoned by a note from agent Gordon to the local barbershop. While waiting for Gordon, West decides to have a shave and is promptly anesthetised by a hot towel from one of Dr. Loveless's assistants, working in disguise. When he wakes up, he finds himself in a carnival funhouse where he encounters dazed-looking Justice Alonzo Fairlie. Before he can get any information from the judge, he is attacked by a quartet of gunmen. He quickly dispatches his adversaries but Justice Fairlie disappears in the confusion, leaving behined a strange clue.