Meanwhile , Wilton Cashmore 's new burglar alarm is proving unpopular .
Spook ( 18 February 1992 ) - Ravi and Fiona believe there 's a ghost in Joe 's barn .
Wilton Cashmore 's new burglar alarm is proving unpopular .
Spook ( 18 February 1992 ) - Ravi and Fiona believe there 's a ghost in Joe 's barn .