Laverne and Shirley Go to Night School Shirley wants to become a medical assistant, and wants reluctant Laverne to go to night school with her. Details Casts Title Laverne and Shirley Go to Night School Genres Comedy Family Release Date 1978-10-17 Episode Runtime 00 Hours 25 Minutes Season Number 4 Episode Number 6 Production Companies Henderson Productions, Miller-Milkis Productions, Paramount Television Penny Marshall Laverne DeFazio Cindy Williams Shirley Feeney Betty Garrett Edna Babish David L. Lander Squiggy Michael McKean Lenny Phil Foster Frank DeFazio Eddie Mekka Carmine Ragusa