A new infection that simply makes people feel happy is treated as a threat by the authorities while its "victims" work to spread it to others.
as Pete
as Liz
as J. Gardner Monroe
as The Mayor
as Conrad
as Dr. Shapiro
as Gertrude
as Murgatroyd
as Sgt. Gunty
as Officer Ponazecki
as Captain Wallace
as Aida
as Barney
as Mrs. Schwartz
as Medical Expert
as Phil
as Board Member
as Vic
as Witter