Who Killed the Sixties? (S04E07)

S04E01 C'est Simon (1) S04E02 C'est Simon (2) S04E03 A Little Wine with Murder S04E04 The Dark Side of the Street S04E05 Manna from Heaven S04E06 What Goes Around Comes Around S04E07 Who Killed the Sixties? S04E08 Break a Leg, Darling S04E09 Almost Completely Out of Circulation S04E10 Our Fair City S04E11 Deep Cover S04E12 Revolution #9½ S04E13 Yes, Virginia, There Is a Liberace S04E14 Almost Foolproof S04E15 Enter the Jaguar S04E16 Simon Without Simon (1) S04E17 Simon Without Simon (2) S04E18 Slither S04E19 The Mickey Mouse Mob S04E20 Mummy Talks S04E21 Marlowe, Come Home S04E22 Out-of-Town Brown