Carry On, Nurse Fred Fatherhood has already made Fred resolute in his effort to acquire serenity, but his will power is put to the test by the formidable Nurse Frightenshale, who is sent by Wilma's mother to take care of the Flintstones' cave. Details Casts Title Carry On, Nurse Fred Genres Family Animation Comedy Kids Release Date 1963-03-01 Episode Runtime 00 Hours 25 Minutes Season Number 3 Episode Number 24 Production Companies Hanna-Barbera Productions, Screen Gems Television Alan Reed Fred Flintstone (voice) Mel Blanc Barney Rubble (voice) Jean Vander Pyl Wilma Flintstone (voice) Bea Benaderet Betty Rubble (voice)