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 Celebrity Chase (2018) (TV Series)-Self - Contestant (1 episode, 2018) Self - Contestant (1 episode, 2018) See fewerEpisode #8.6 (Nov 11, 2018) Season 8, Episode 6-Self - Contestant Self - Contestant See fewer |
 Celebrity Mastermind (2014) (TV Series)-Self (1 episode, 2014) Self (1 episode, 2014) See fewer Celebrity Mastermind 2013/2014: Episode 5 (Jan 2, 2014) Season 12, Episode 5-Self Self See fewer |
 The One Show (2010–2013) (TV Series)-Self - Reporter / Self - In Studio Build on Report / Self - In studio build on report / Self (15 episodes, 2010) Self - Reporter / Self - In Studio Build on Report / Self - In studio build on report / Self (15 episodes, 2010) See fewerEpisode #7.110 (Jul 6, 2012) Season 7, Episode 110-Self - Reporter (as Dr Mark Porter) Self - Reporter (as Dr Mark Porter) See fewer |
 Richard & Judy (2008) (TV Series)-Self (1 episode, 2008) Self (1 episode, 2008) See fewer Episode dated 7 February 2008 (Feb 7, 2008) Self Self See fewer |
 Cooking the Books (2007) (TV Series)-Self (1 episode, 2007) Self (1 episode, 2007) See fewerEpisode #1.18 (Dec 5, 2007) Season 1, Episode 18-Self (as Dr. Mark Porter) Self (as Dr. Mark Porter) See fewer |
| Doctor, Doctor (2007) (TV Series)-Self - Presenter (25 episodes, 2007) Self - Presenter (25 episodes, 2007) See fewerEpisode #3.25 (Aug 31, 2007) Season 3, Episode 25-Self - Presenter (as Dr. Mark Porter) Self - Presenter (as Dr. Mark Porter) See fewer |
 The Weakest Link (2004) (TV Series)-Self (1 episode, 2004) Self (1 episode, 2004) See fewer Doctors Edition (Sep 25, 2004) Self Self See fewer |
| Going for a Song (2001) (TV Series)-Self - Team Captain (2001) (1 episode, 2001) Self - Team Captain (2001) (1 episode, 2001) See fewerEpisode #8.1 (Jun 4, 2001) Season 8, Episode 1-Self - Team Captain (2001) Self - Team Captain (2001) See fewer |
| Heart (1998– ) (TV Series)-Self Self See fewer |
 Surprise Surprise! (1998) (TV Series)-Self (1 episode, 1998) Self (1 episode, 1998) See fewer 1998 Mother's Day Special (Mar 22, 1998) Season 15, Episode 1-Self (as Dr Mark Porter) Self (as Dr Mark Porter) See fewer |
 Light Lunch (1997) (TV Series)-Self (1 episode, 1997) Self (1 episode, 1997) See fewer Men with Good Bedside Manners (Oct 21, 1997) Season 2, Episode 12-Self Self See fewer |
| Baby Baby (1997) (TV Series)-Self (3 episodes, 1997) Self (3 episodes, 1997) See fewer Episode #1.19 (Sep 25, 1997) Season 1, Episode 19-Self Self See fewer |
 Noel's House Party (1997) (TV Series)-Self - Gotcha Recipient (1 episode, 1997) Self - Gotcha Recipient (1 episode, 1997) See fewerEpisode #6.13 (Jan 25, 1997) Season 6, Episode 13-Self - Gotcha Recipient Self - Gotcha Recipient See fewer |
 Holiday (1996) (TV Series)-Self (1 episode, 1996) Self (1 episode, 1996) See fewer Episode #29.11 (Dec 3, 1996) Season 29, Episode 11-Self Self See fewer |
 This Is Your Life (1996) (TV Series)-Self (1 episode, 1996) Self (1 episode, 1996) See fewer Jeremy Clarkson (Oct 25, 1996) Season 37, Episode 6-Self Self See fewer |
 Good Morning... with Anne and Nick (1992–1995) (TV Series)-Self / Self - Good Morning Medical Expert / Self - Medical Phone-In / Self - Medical Matters / Self - Resident Doctor (14 episodes, 1992) Self / Self - Good Morning Medical Expert / Self - Medical Phone-In / Self - Medical Matters / Self - Resident Doctor (14 episodes, 1992) See fewerEpisode #3.1 (Oct 17, 1994) Season 3, Episode 1-Self (as Dr. Mark Porter) Self (as Dr. Mark Porter) See fewer |
| Watchdog Healthcheck (1995– ) (TV Series)-Presenter Presenter See fewer |
| Evening Surgery (1994– ) (TV Series)-Self - Presenter Self - Presenter See fewer |
| A Word in Your Ear (1994) (TV Series)-Self (2 episodes, 1994) Self (2 episodes, 1994) See fewer Episode #2.12 (Sep 27, 1994) Season 2, Episode 12-Self Self See fewer Episode #2.7 (Sep 20, 1994) Season 2, Episode 7-Self Self See fewer |
| Comic Timing (1993) (TV Series)-Self (1 episode, 1993) Self (1 episode, 1993) See fewer That Nice Mrs. Merton (Dec 5, 1993) Season 1, Episode 6-Self (as Dr. Mark Porter) Self (as Dr. Mark Porter) See fewer |
| Noel's Garden Party (1993) (TV Special)-Self Self See fewer |