The Man from U.N.C.L.E. S01 E27 The Gazebo in the Maze Affair

Squire G. Emory Partridge (George Sanders) kidnaps Illya and lures Solo to his manor in order to kill them off in his dungeon torture chamber in revenge for a past encounter. But Peggy Durance (Bonnie Franklin) helps them escape, with the unintended aid of Partridge's bumbling wife Edith (Jeanette Nolan).