Castle Hydra (audio story)

Castle Hydra

Doctor:

Fifth Doctor

Key crew

Release details

Release number:

270c

Part of:

Shadow of the Daleks 2

Release date:

10 November 2020

Format:

1 Episode on 1 CD (3rd of 4 stories);
Download

Production code:

BFPDWCD270

ISBN:

978-1-83868-014-5 (physical)
978-1-83868-015-2 (digital)

*Main Range*
← Previous	Next →
Towards Zero	Effect and Cause

Castle Hydra was the third story in the audio anthology Shadow of the Daleks 2, which comprised the two hundred and seventieth release release in Big Finish's monthly range. It was written by Lizzie Hopley and featured Peter Davison as the Fifth Doctor, with Nicholas Briggs as the Daleks.

Publisher's summary

Nearing the end of his journey, the Doctor enters a jail filled with familiar faces. But who are the prisoners and who are the wardens?

Plot

to be added

Cast

The Doctor - Peter Davison
The Daleks - Nicholas Briggs

to be added

References

to be added

Notes

to be added

Continuity

to be added

External links

Official Castle Hydra page at bigfinish.com

Big Finish Main Range

Fifth Doctor

	Adric, Nyssa, Tegan	The Star Men • The Contingency Club • Zaltys • Kingdom of Lies • Ghost Walk • Serpent in the Silver Mask

	Nyssa	The Land of the Dead • Winter for the Adept • The Mutant Phase • Primeval • Spare Parts • Creatures of Beauty • The Game • Circular Time (Spring • Summer • Autumn • Winter) • Renaissance of the Daleks • Return to the Web Planet • Castle of Fear • The Eternal Summer • Plague of the Daleks • The Demons of Red Lodge and Other Stories • (The Demons of Red Lodge • The Entropy Composition • Doing Time • Special Features) • 1001 Nights (1001 Nights, My Brother's Keeper, The Interplanetarian, Smuggling Tales) • 1963: Fanfare for the Common Men • Alien Heart • Dalek Soul

	Nyssa, Brewster	The Haunting of Thomas Brewster • The Boy That Time Forgot • Time Reef • A Perfect World

	Nyssa, Hannah	Moonflesh • Tomb Ship • Masquerade

	Nyssa, Tegan	The Waters of Amsterdam • Aquitaine • The Peterloo Massacre

	Nyssa, Tegan, Marc	Tartarus • Interstitial • Feast of Fear • Warzone • Conversion • Madquake

	Nyssa, Tegan, Turlough	Cobwebs • The Whispering Forest • The Cradle of the Snake • Heroes of Sontar • Kiss of Death • Rat Trap • The Emerald Tiger • The Jupiter Conjunction • The Butcher of Brisbane • Eldrad Must Die! • The Lady of Mercia • Prisoners of Fate • Mistfall • Equilibrium • The Entropy Plague

	Tegan, Turlough, Kamelion	Devil in the Mist • Black Thursday • Power Game • The Kamelion Empire

	Tegan, Leela	Time in Office

	Turlough	Phantasmagoria • Loups-Garoux • Singularity • The Memory Bank and Other Stories (The Memory Bank • The Last Fairy Tale • Repeat Offender • The Becoming) • The Blazing Hour • The End of the Beginning

	Peri	Red Dawn • Exotron • Urban Myths • Mission of the Viyrans

	Peri, Erimem	The Eye of the Scorpion • The Church and the Crown • Nekromanteia • The Axis of Insanity • The Roof of the World • Three's a Crowd • The Council of Nicaea • The Kingmaker • Son of the Dragon • The Mind's Eye • The Bride of Peladon

	Amy	The Judgement of Isskar • The Destroyer of Delights • The Chaos Pool

	Vicki, Steven	The Secret History

	Solo travels	The Sirens of Time • Omega • The Gathering • The Four Doctors • The Burning Prince • The Secret History • And You Will Obey Me • The Helliax Rift • Time Apart (Ghost Station • The Bridge Master • What Lurks Down Under • The Dancing Plague) • Thin Time • Shadow of the Daleks 1 (Aimed at the Body • Lightspeed • The Bookshop at the End of the World • Interlude) • Shadow of the Daleks 2 (Echo Chamber • Towards Zero • Castle Hydra • Effect and Cause)

Sixth Doctor

	Peri	Whispers of Terror • ...ish • Cryptobiosis • The Reaping • Year of the Pig • Recorded Time and Other Stories (Recorded Time • A Most Excellent Match • Question Marks • Paradoxicide) • 1963: The Space Race • Breaking Bubbles and Other Stories (Breaking Bubbles • Of Chaos Time The • An Eye For Murder • The Curious Incident of the Doctor in the Night-Time) • The Widow's Assassin • Masters of Earth • The Rani Elite • Memories of a Tyrant • Emissary of the Daleks • Harry Houdini's War • Plight of the Pimpernel

	Evelyn	The Marian Conspiracy • The Spectre of Lanyon Moor • The Apocalypse Element • Bloodtide • Project: Twilight • The Sandman • Jubilee • Doctor Who and the Pirates • Project: Lazarus • Arrangements for War • Medicinal Purposes • Pier Pressure • The Nowhere Place • 100 (100 BC • My Own Private Wolfgang • Bedtime Story • The 100 Days of the Doctor) • Assassin in the Limelight

	Evelyn, Brewster	The Crimes of Thomas Brewster • The Feast of Axos • Industrial Evolution

	Frobisher	The Holy Terror • The Maltese Penguin

	Charley	The Condemned • The Doomwood Curse • Brotherhood of the Daleks • Return of the Krotons • The Raincloud Man • Patient Zero • Paper Cuts • Blue Forgotten Planet

	"Jamie"	City of Spires • The Wreck of the Titan • Legend of the Cybermen

	Flip	The Curse of Davros • The Fourth Wall • Wirrn Isle • Antidote to Oblivion • The Brood of Erys • Scavenger • Vortex Ice • Cortex Fire

	Constance	Criss-Cross • Planet of the Rani • Shield of the Jötunn • Order of the Daleks • Absolute Power • Colony of Fear • The End of the Beginning

	Constance, Flip	Quicksilver • The Behemoth • The Middle • Static • Cry of the Vultriss • Scorched Earth • The Lovecraft Invasion

	Mel	The One Doctor • The Juggernauts • Catch-1782 • Thicker Than Water • The Wishing Beast • The Vanity Box • The Wrong Doctors • Spaceport Fear • The Seeds of War

	Jamie, Zoe	Last of the Cybermen

	Solo travels	The Sirens of Time • Davros • The Wormery • Her Final Flight • I.D. • Urgent Calls • The Four Doctors • The Acheron Pulse • Trial of the Valeyard • Last of the Cybermen • Vampire of the Mind • The Lure of the Nomad • Iron Bright • Hour of the Cybermen • The Hunting Ground

Seventh Doctor

	Mel	The Fires of Vulcan • Bang-Bang-a-Boom! • Flip-Flop • Unregenerate! • Red • We Are The Daleks • The Warehouse • Terror of the Sontarans

	Ace	The Fearmonger • The Genocide Machine • Dust Breeding • Colditz • The Rapture • 1963: The Assassination Games • You Are the Doctor and Other Stories (You Are the Doctor • Come Die With Me • The Grand Betelgeuse Hotel • Dead to the World) • The Grey Man of the Mountain

	Ace, Hex	The Harvest • Dreamtime • LIVE 34 • Night Thoughts • The Settling • No Man's Land • Nocturne • The Dark Husband • Forty-Five (False Gods • Order of Simplicity • Casualties of War • The Word Lord) • The Magic Mousetrap • Enemy of the Daleks • The Angel of Scutari • Project: Destiny • A Death in the Family • Lurkers at Sunlight's Edge • Protect and Survive • Revenge of the Swarm • Mask of Tragedy • Shadow Planet • World Apart • Muse of Fire • The Flying Dutchman • Displaced

	Ace, Benny	The Shadow of the Scourge • The Dark Flame

	Sally	House of Blue Fire

	Ace, Hex, Lysandra, Sally	Black and White • Gods and Monsters

	Ace, Hex, Sally	Afterlife • Signs and Wonders

	Ace, Mel	A Life of Crime • Fiesta of the Damned • Maker of Demons • The High Price of Parking • The Blood Furnace • The Silurian Candidate • Red Planets • The Dispossessed • The Quantum Possibility Engine

	Mags	The Monsters of Gokroth • The Moons of Vulpana • An Alien Werewolf in London

	Klein	A Thousand Tiny Wings • Klein's Story • Survival of the Fittest • The Architects of History • Warlock's Cross

	Klein, Will	Persuasion • Starlight Robbery • Daleks Among Us

	Jo	The Defectors

	Solo travels	The Sirens of Time • Project: Lazarus • Master • Return of the Daleks • Valhalla • Frozen Time • Death Collectors • Spider's Shadow • Kingdom of Silver • Keepsake • The Four Doctors • Robophobia • The Doomsday Quatrain • The Shadow Heart • The Two Masters • Dark Universe • The Psychic Circus • Subterfuge • The End of the Beginning

Eighth Doctor

	Mary Shelley	Mary's Story • The Silver Turk • The Witch from the Well • Army of Death

	Charley	Storm Warning • Sword of Orion • The Stones of Venice • Minuet in Hell • Invaders from Mars • The Chimes of Midnight • Seasons of Fear • Embrace the Darkness • The Time of the Daleks • Neverland • Zagreus • Scherzo • The Girl Who Never Was • The End of the Beginning

	Charley, C'rizz	The Creed of the Kromon • The Natural History of Fear • The Twilight Kingdom • Faith Stealer • The Last • Caerdroia • The Next Life • Terror Firma • Scaredy Cat • Other Lives • Time Works • Something Inside • Memory Lane • Absolution

	Solo & other travels	The Company of Friends (Benny's Story • Fitz's Story • Izzy's Story) • An Earthly Child • The Four Doctors

All stories from Big Finish Productions' main monthly range from 1999 to 2021 are included in this navigation box, including the "subscriber exclusive" stories which were part of the subscription service for this range.

Dalek audio stories

For the purposes of this list, a "Dalek audio story" is one in which one living, authentic Dalek plays a part within the confines of the story, outside of flashbacks to previous stories and cliffhangers that lead into the following story.

Main Range

The Genocide Machine • The Apocalypse Element • The Mutant Phase • The Time of the Daleks • Jubilee • The Juggernauts • Terror Firma • Renaissance of the Daleks • Brotherhood of the Daleks • Enemy of the Daleks • Patient Zero • Plague of the Daleks • The Curse of Davros • Daleks Among Us • Masters of Earth • We Are The Daleks • Order of the Daleks • Alien Heart / Dalek Soul • Emissary of the Daleks • Aimed at the Body • Lightspeed • Interlude • Effect and Cause

Bernice Summerfield

Death and the Daleks

I, Davros

Innocence • Purity • Corruption • Guilt • The Davros Mission

Bonus Releases

Return of the Daleks • The Four Doctors • The Five Companions

The Eighth Doctor Adventures

Blood of the Daleks • Lucie Miller / To the Death • The Dalek Trap • Paradox of the Daleks

Dark Eyes

The Great War • Fugitives • Tangled Web • X and the Daleks • The Traitor • The Monster of Montmartre • Master of the Daleks • Eye of Darkness

The Companion Chronicles

Fear of the Daleks • Across the Darkened City • The Death of the Daleks

The Stageplays

The Ultimate Adventure • Seven Keys to Doomsday • The Curse of the Daleks

Doctor Who Unbound

Masters of War

Doctor of War

Dust Devil • Aftershocks • The Key To Key To Time

The Lost Stories

The Destroyers • The Elite • Daleks! Genesis of Terror

The Fourth Doctor Adventures

Energy of the Daleks • The Dalek Contract / The Final Phase • The Dalek Protocol

Gallifrey

Extermination • Ascension • Soldier Obscura • Desperate Measures • Unity • Dissolution • Homecoming • The First Days of Phaidon • Remnants • Ambition's Debt

The New Adventures
of Bernice Summerfield

Good Night, Sweet Ladies • The Lights of Skaro

The War Doctor

The Innocent • The Thousand Worlds • The Heart of the Battle • Legion of the Lost • A Thing of Guile • The Neverwhen • The Shadow Vortex • The Eternity Cage • Eye of Harmony • Pretty Lies • The Lady of Obsidian • The Enigma Dimension

The Churchill Years

Living History

The Third Doctor Adventures

The Conquest of Far • Poison of the Daleks

The Eighth Doctor: Time War

The Starship of Theseus • Echoes of War • The Conscript • One Life • The Lords of Terror • Planet of the Ogrons • In the Garden of Death • Jonah • Fugitive in Time • The War Valeyard • Palindrome • Restoration of the Daleks • Previously, Next Time

UNIT: The New Series

The Dalek Transaction

The War Master

Beneath the Viscoid • The Good Master • The Master's Dalek Plan • Shockwave • He Who Wins • The Wrath of Medusa • Runtime

Class: The Audio Adventures

In Remembrance

The Early Adventures

The Dalek Occupation of Winter • Daughter of the Gods • After the Daleks

The First Doctor Adventures

Return to Skaro • Fugitive of the Daleks

The New Counter-Measures

The Dalek Gambit

Susan's War

Sphere of Influence • The Shoreditch Intervention

The Tenth Doctor Adventures

Out of Time

Dalek Universe

The Wrong Woman • Cycle of Destruction • The Trojan Dalek • The First Son • The Dalek Defence • The Triumph of Davros

Time Lord Victorious

The Enemy of My Enemy • Mutually Assured Destruction • Genetics of the Daleks

Master!

Vengeance

The War Doctor Begins

The Shadow Squad • Destroyer • Saviour • Temmosus • Rewind • The Abyss • The Horror • Berserker • Memnos • The Hybrid's Choice • Exit Strategy

The Fifth Doctor Adventures

Nightmare of the Daleks

The Audio Novels

Watchers • Emancipation of the Daleks

The Second Doctor Adventures

The Final Beginning

The Seventh Doctor Adventures

Scream of the Daleks

The Eleventh Doctor Chronicles

Daleks Victorious • The Last Stand of Miss Valarie Lockwood / Victory of the Doctor

Once and Future

A Genius for War

BBC Doctor Who audio stories

Escape the Daleks!

Others

The Daleks • Glorious Goodwood • The Dalek Conquests • Incoming Transmission

Because of the ubiquity of this race, no attempt will be made here to list every appearance in every medium. Instead, we focus on audio appearances here, except for Dalek Empire, which has its own template, and invite you to explore a complete list of appearances elsewhere.

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Castle Hydra (audio story)

Publisher's summary

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Cast

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Notes

Continuity

External links

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