<Table> <Tr> <Th_colspan="2"> The Joy of Painting </Th> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Starring </Th> <Td> Bob Ross </Td> </Tr> <Tr> <Th> Opening theme </Th> <Td> Interlude by Larry Owens </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> 31 </Td> </Tr> <Tr> <Th> No. of episodes </Th> <Td> 403 </Td> </Tr> <Tr> <Th_colspan="2"> Production </Th> </Tr> <Tr> <Th> Running time </Th> <Td> 30 minutes </Td> </Tr> <Tr> <Th> Distributor </Th> <Td> Interregional Program Service / American Program Service </Td> </Tr> <Tr> <Th_colspan="2"> Release </Th> </Tr> <Tr> <Th> Original network </Th> <Td> PBS </Td> </Tr> <Tr> <Th> Original release </Th> <Td> January 11, 1983--May 17, 1994 </Td> </Tr> <Tr> <Th_colspan="2"> Chronology </Th> </Tr> <Tr> <Th> Related shows </Th> <Td> The Magic of Oil Painting </Td> </Tr> <Tr> <Th_colspan="2"> External links </Th> </Tr> <Tr> <Td_colspan="2"> Website </Td> </Tr> </Table> <Tr> <Th_colspan="2"> The Joy of Painting </Th> </Tr>

How many seasons of bob ross was there