The complete text and pictures of a slide/tape and videotape presentation explain Prime Time School Television (PTST), a non-profit organization, with emphasis on the active role of participants in utilizing prime time programs in everyday teaching-learning situations. PTST encourages teachers to recommend and use evening television programs as part of classroom resources. Family viewing is encouraged, and suggestions made to stimulate activities and discussions in the home and schools. PTST produces materials about outstanding television programs and develops materials for serial programming. Services and activities of PTST include: (1) a core program of advance information on interesting television programs for which it has developed educational materials; and (2) a guide to movies appearing on television. (KP)