Get Smart S03 E24 The Hot Line

"Agent 86 is face to face with danger again "and loving it!""

The Chief is relieved of duty as Chief when "the President" (actually Gorshen, a Kaos voice impersonator) calls him and demotes him, making Max the new Chief. This is part of Kaos's plan to infiltrate and then destroy Control--but with Max in charge, Kaos doesn't really need to plan.