. "Ginnie Hole"@en . . "Chain Reaction (series 4)"@en . . "Episode 1"@en . . . . . . . . . . "\"Chain Reaction\" is the 41st episode of Casualty and the 1st episode of the 4th series."@en . . . "Andrew Morgan"@en . . "\"Chain Reaction\" is the 41st episode of Casualty and the 1st episode of the 4th series."@en . . . . "1989-09-08"^^ . . . "Chain Reaction"@en .