Get Smart (1965)

S5E18 The Mess of Adrian Listenger

At the funeral of a recently slain Control Agent, Max, 99, and The Chief are taken aback when they discover a headstone engraved with Max's name. The eerie find raises suspicions and fears, leaving them to question whether there is a deeper conspiracy at play behind the agent's death. As they grapple with this unsettling revelation, the trio must unravel the mystery before it leads to more chaos in their lives.