"Crossing the Line (series 20)"@en . . "2006-01-14"^^ . "Ming Ho"@en . "Crossing the Line"@en . . . . . . . . . . . "\"Crossing the Line\" is the 515th episode of Casualty and the 21st episode of the 20th series."@en . . "Chris Lovett"@en . . . "Episode 21"@en . "\"Crossing the Line\" is the 515th episode of Casualty and the 21st episode of the 20th series."@en .