<Table> <Tr> <Th_colspan="2"> Saved by the Bell </Th> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Genre </Th> <Td> Teen sitcom </Td> </Tr> <Tr> <Th> Created by </Th> <Td> Sam Bobrick </Td> </Tr> <Tr> <Th> Developed by </Th> <Td> Peter Engel </Td> </Tr> <Tr> <Th> Starring </Th> <Td> Mark - Paul Gosselaar Lark Voorhies Dustin Diamond Tiffani - Amber Thiessen Mario Lopez Elizabeth Berkley Ed Alonzo Dennis Haskins Leanna Creel </Td> </Tr> <Tr> <Th> Theme music composer </Th> <Td> Scott Gale </Td> </Tr> <Tr> <Th> Country of origin </Th> <Td> United States </Td> </Tr> <Tr> <Th> Original language (s) </Th> <Td> English </Td> </Tr> <Tr> <Th> No. of seasons </Th> <Td> 5 </Td> </Tr> <Tr> <Th> No. of episodes </Th> <Td> 86 (list of episodes) </Td> </Tr> <Tr> <Th_colspan="2"> Production </Th> </Tr> <Tr> <Th> Executive producer (s) </Th> <Td> Peter Engel </Td> </Tr> <Tr> <Th> Camera setup </Th> <Td> Videotape; multi-camera </Td> </Tr> <Tr> <Th> Running time </Th> <Td> 22--24 minutes </Td> </Tr> <Tr> <Th> Production company (s) </Th> <Td> Peter Engel Productions NBC Productions </Td> </Tr> <Tr> <Th> Distributor </Th> <Td> Rysher Entertainment (1991 - 1999) Paramount Domestic Television (1999 - 2006) NBCUniversal Television Distribution (2007 - present) CBS Studios International </Td> </Tr> <Tr> <Th_colspan="2"> Release </Th> </Tr> <Tr> <Th> Original network </Th> <Td> NBC </Td> </Tr> <Tr> <Th> Picture format </Th> <Td> NTSC (480i) </Td> </Tr> <Tr> <Th> Original release </Th> <Td> August 20, 1989 (1989 - 08 - 20)--May 22, 1993 (1993 - 05 - 22) </Td> </Tr> <Tr> <Th_colspan="2"> Chronology </Th> </Tr> <Tr> <Th> Preceded by </Th> <Td> Good Morning, Miss Bliss </Td> </Tr> <Tr> <Th> Followed by </Th> <Td> Saved by the Bell: The College Years Saved by the Bell: The New Class </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Saved by the Bell </Th> </Tr>

When did the first episode of saved by the bell air