<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (January 2015) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (January 2015) (Learn how and when to remove this template message) </Td> </Tr> <Table> <Tr> <Th_colspan="2"> Chain Reaction </Th> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Created by </Th> <Td> Bob Stewart </Td> </Tr> <Tr> <Th> Presented by </Th> <Td> <Ul> <Li> Bill Cullen (1980) </Li> <Li> Blake Emmons (1986) </Li> <Li> Geoff Edwards (1980, 1986--91) </Li> <Li> Tim Vincent (2006 pilot) </Li> <Li> Dylan Lane (2006--07) </Li> <Li> Mike Catherwood (2015--16) </Li> </Ul> </Td> </Tr> <Tr> <Th> Narrated by </Th> <Td> Johnny Gilbert (1980) Rod Charlebois (1986--91) </Td> </Tr> <Tr> <Th> Country of origin </Th> <Td> United States </Td> </Tr> <Tr> <Th> No. of episodes </Th> <Td> NBC: 115 GSN: 170 </Td> </Tr> <Tr> <Th_colspan="2"> Production </Th> </Tr> <Tr> <Th> Running time </Th> <Td> 22--26 minutes </Td> </Tr> <Tr> <Th> Production company (s) </Th> <Td> Bob Stewart Productions (1980) Bob & Sande Stewart Productions (1986 - 1991) Embassy Row (2006 - 2007) Sony Pictures Television (2006 - 2007, 2015 - 2016) </Td> </Tr> <Tr> <Th> Distributor </Th> <Td> Sony Pictures Television </Td> </Tr> <Tr> <Th_colspan="2"> Release </Th> </Tr> <Tr> <Th> Original network </Th> <Td> <Ul> <Li> NBC (1980) </Li> <Li> USA Network (1986--91) </Li> <Li> GSN (2006--07, 2015--16) </Li> </Ul> </Td> </Tr> <Tr> <Th> Original release </Th> <Td> <Ul> <Li> January 14, 1980 (1980 - 01 - 14)--June 20, 1980 (1980 - 06 - 20) </Li> <Li> September 29, 1986 (1986 - 09 - 29)--December 27, 1991 (1991 - 12 - 27) </Li> <Li> August 1, 2006 (2006 - 08 - 01)--June 9, 2007 (2007 - 06 - 09) </Li> <Li> July 16, 2015 (2015 - 07 - 16)--January 29, 2016 (2016 - 01 - 29) </Li> </Ul> </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Chain Reaction </Th> </Tr>

When did the game show chain reaction come out