"Deny Thy Father - Part One"

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"Deny Thy Father - Part One"
Casualty@Holby City
Casualty
Series 20
Episode 18
Centric characters	Nick, Charlie, Woody, Kelsey, Donna, Selena
Key crew
Directed by	Paul Harrison
Written by	Alun Nipper Pete Hambly
Produced by	Diana Kyle
Broadcast information
Air date	24 December 2005
Original channel	BBC One
Duration	60 minutes
Casualty episodes
← Previous	"Do They Know It's Christmas?
Next →	"Out of Your Depth"
Holby City episodes
← Previous	"The Long Goodbye"
Next →	"Deny Thy Father - Part Two"

"Deny Thy Father - Part One" is the 512th episode of Casualty and the 18th episode of the 20th series. It is also the first part of the 2005 Christmas crossover between the shows Casualty and Holby City.