Mark Ferda was a dubbing mixer credited on the following Doctor Who, Class, and The Sarah Jane Adventures stories:
- 'Ello, 'Ello, 'Ello
- About a Boy
- After Effects
- Alien Abduction
- All About the Girl
- Allons-y!
- Alter Ego
- Animal Pharm (TD episode)
- Are We There Yet?
- Arthurian Legend
- At the Proms
- Avulsion (TD episode)
- Bad Blood
- Before the Flood
- Bigger on the Inside
- Blinded by the Light
- The Born Identity
- Breaking the Silence
- A Brush with Genius
- Call Me the Doctor
- Christmas Special 2010
- Clean State (TD episode)
- The Coach with the Dragon Tattoo
- Coming to America
- Confidential Christmas 2008
- Cracking Children of Earth (TD episode)
- The Curse of Clyde Langer
- David Tennant Introduction (The Cybermen Collection) (CON episode)
- David Tennant Introduction (The Dalek Collection) (CON episode)
- The Day of the Clown
- Dead Eyes Open (TD episode)
- Death Defying (TD episode)
- Death in Venice
- Death of the Doctor
- Desert Storm
- Do You Remember the First Time?
- The Doctor Falls
- Doctor Who Greatest Moments: The Companions
- Doctor Who Greatest Moments: The Doctor
- Doctor Who Greatest Moments: The Enemies
- Doctor Who: Top 5 Christmas Moments
- Double Trouble
- The Eaters of Light
- The Eleventh Doctor
- Empress of Mars
- End of an Era
- Enemy of the Bane
- The Eternity Trap
- Extra Time
- Eye of the Gorgon
- Eyes Wide Open
- Face the Raven
- For Tonight We Might Die
- Friends and Foe
- The Fright Stuff
- The Gift
- The Girl Who Died
- Goodbye, Sarah Jane Smith
- Heartbreak Hotel
- Hell Bent
- Here Come the Girls
- Home and Hart (TD episode)
- I Get a Side-Kick Out of You
- In Living Colour (TD episode)
- In the Forest of the Night
- Is There Life on Mars?
- The Italian Job
- The Journey (So Far) (CON episode)
- Knock Knock
- Kylie Special
- The Last Battle
- The Last Sontaran
- The Lie of the Land
- The Life and Deaths of Captain Jack (TD episode)
- Look Who's Talking
- Lords and Masters
- The Lost Boy
- The Mad Woman in the Attic
- Making Manhattan
- The Man Who Never Was
- The Mark of the Berserker
- Meet Martha Jones
- Mona Lisa's Revenge
- Monsters Inc.
- Mummy on the Orient Express
- Nemesis
- New New Doctor
- The New World of Who
- A New York Story
- The Nightmare Man
- Nightvisiting
- A Noble Return
- Oods and Ends
- Open All Hours
- Out of Time
- Oxygen
- Past Imperfect (TD episode)
- The Pilot
- Prisoner of the Judoon
- The Pyramid at the End of the World
- Quid Pro Quo (TD episode)
- Religion, Myths and Legends
- The Return of Doctor Mysterio
- Revenge of the Slitheen
- River Runs Deep
- River Runs Wild
- Save the Whale (TD episode)
- The Saxon Mystery
- Secrets of the Stars
- Send in the Clones
- Shadow Play
- Ship Ahoy!
- Sins of the Fathers
- Sky
- Sleep No More
- Sleepless in Cardiff (TD episode)
- Smile
- Something New (TD episode)
- Sontar-Ha!
- Space Craft
- Stage Fright
- Step Back in Time (TD episode)
- TDW 22
- TDW 23
- TDW 24
- TDW 25
- Take Two
- The Temptation of Sarah Jane Smith
- Thin Ice
- Twice Upon a Time
- Under the Lake
- The Valiant Quest
- War Games
- The Wedding of Sarah Jane Smith
- What Dreams May Come
- What Goes on Tour...
- Whatever Happened to Sarah Jane?
- When Time Froze
- Why on Earth?
- The Writer's Tale
- You've Got the Look
- The Zygon Invasion
- The Zygon Inversion
He filled the same role for Doctor Who Confidential, Totally Doctor Who and Torchwood Declassified.