Police academy 1-4 collection

[disc 1.] Police academy / a Ladd Company release ; story and screenplay by Neal Israel & Pat Proft and Hugh Wilson ; directed by Hugh Wilson (96 min.) ; [disc 2] Police academy 2: their first assignment / written by Barry Blaustein & David Sheffield ; directed by Jerry Paris (87 min.) --

[disc 3. side A] Police academy 3: back in training / written by Gene Quintano ; directed by Jerry Paris (83 min.) ; [disc 3, side B] Police academy 4: citizens on patrol / written by Gene Quintano ; directed by Jim Drake (88 min.).