The Batcave Affair
S2:E28
1966
IMDb
Solo uses hillbilly clairvoyant Clemency McGill to counter the efforts of Count Zark, a vampirish THRUSH agent who plans to use radioactive bats to jam the world's radar systems from his castle. Solo and Clemency make their way to the castle with Illya, but Zark manages to release the bats.