<P> In 1967, the head of ATV, Lew Grade, axed the show . The reasons for this remain obscure, but he was first to admit that axing this series, and the soap opera Emergency Ward 10 at the same time, were the two biggest mistakes he ever made . </P> <P> This revival was hosted by Jim Dale, with each episode being broadcast live . Two episodes were cancelled mid-broadcast due, apparently to a reported bomb scare . </P> <Table> <Tr> <Th> Series </Th> <Th> Start date </Th> <Th> End date </Th> <Th> Episodes </Th> </Tr> <Tr> <Td> </Td> <Td> 28 October 1973 </Td> <Td> 7 April 1974 </Td> <Td> 15 </Td> </Tr> </Table> <Tr> <Th> Series </Th> <Th> Start date </Th> <Th> End date </Th> <Th> Episodes </Th> </Tr>

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