Acting

2020

(2 episodes) as physicien

2016

(24 episodes) as Host

2015		The Late Show with Stephen Colbert (1 episode) as Self
2015		StarTalk with Neil deGrasse Tyson (1 episode) as Self

2011

(4 episodes) as Himself - Host

2007

(1 episode) as Self

2005

(1 episode) as Self

2003

(3 episodes) as Host

1990

(3 episodes) as Mr Klinger

1974

(7 episodes) as Host