First 20-cent cover price. Cover by Nick Cardy. "A Traitor Lurks Inside Earth!", script by Bob Haney, pencils by Bob Brown, inks by Frank McLaughlin; When the missile defense robot John Doe begins acting against orders, Batman recruits the aid of the Metal Men to try and find out what is going on; However, when the Metal Men appear on national television denouncing humanity and calling for robot liberation on behalf of John Doe, Batman goes to investigate in person; Inside the missile base, Batman learns that the Metal Men haven't truly betrayed humanity but are being forced to speak on John Doe's behalf because it has Tin held captive. 36 Pages, Full Color. Cover price $0.20.