 Nova (2011–2024) (TV Series)-Self - Scientist / Self - Univ. of Southern California / Self - University of Southern California (5 episodes, 2011) Self - Scientist / Self - Univ. of Southern California / Self - University of Southern California (5 episodes, 2011) See fewer Decoding the Universe: Quantum (Nov 6, 2024) Season 51, Episode 17-Self - Scientist Self - Scientist See fewer |
 Space's Deepest Secrets (2017) (TV Series)-Self - Theoretical Physicist (1 episode, 2017) Self - Theoretical Physicist (1 episode, 2017) See fewer Secret History of the Big Bang (Jun 14, 2017) Season 2, Episode 11-Self - Theoretical Physicist Self - Theoretical Physicist See fewer |
 Horizon (2016) (TV Series)-Self (1 episode, 2016) Self (1 episode, 2016) See fewer Project Greenglow: The Quest for Gravity Control (Mar 23, 2016) Season 53, Episode 2-Self Self See fewer |
 Inside Einstein's Mind: The Enigma of Space and Time (2015) (TV Movie)-Self (as Clifford Johnson) Self (as Clifford Johnson) See fewer |
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 Big History (2013) (TV Mini-series)-Self - Scientist, University of Southern California (as Clifford Johnson) (1 episode, 2013) Self - Scientist, University of Southern California (as Clifford Johnson) (1 episode, 2013) See fewerPocket Time Machine (Nov 30, 2013) Season 1, Episode 10-Self - Scientist, University of Southern California (as Clifford Johnson) Self - Scientist, University of Southern California (as Clifford Johnson) See fewer |
 Fail Lab (2013) (TV Series)-Self (as Clifford Johnson) (3 episodes, 2013) Self (as Clifford Johnson) (3 episodes, 2013) See fewerFailure (Nov 26, 2013) Season 1, Episode 11-Self (as Clifford Johnson) Self (as Clifford Johnson) See fewer |
 The Love Me Cat Show (2013) (TV Series)-Self (as Clifford Johnson) (1 episode, 2013) Self (as Clifford Johnson) (1 episode, 2013) See fewer Consultations! with Clifford Johnson (Oct 29, 2013) Season 1, Episode 29-Self (as Clifford Johnson) Self (as Clifford Johnson) See fewer |
 History of the World in 2 Hours (2011) (TV Movie)-Self - Physicist, Univ. of Southern California Self - Physicist, Univ. of Southern California See fewer |
 Busting the Berlin Wall: Amazing Escape Stories (2009) (TV Movie)-Self (as Clifford Johnson) Self (as Clifford Johnson) See fewer |
 Einstein (2008) (TV Movie)-Self - Scientist, University of Southern California (as Clifford Johnson) Self - Scientist, University of Southern California (as Clifford Johnson) See fewer |
 Sci Fi Science: Physics of the Impossible (TV Series)-Self - Professor Physics & Astronomy, University of Southern California (as Clifford Johnson) Self - Professor Physics & Astronomy, University of Southern California (as Clifford Johnson) See fewer |