Horizon (1997–2003)
(TV Series)
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Self / Self - California Institute of Technology (2 episodes,
1997) Self / Self - California Institute of Technology (2 episodes,
1997) See fewer
Averting Armageddon (Jan
23,
2003)
Season 40,
Episode 3
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Self (as Professor Tom Ahrens)
Self (as Professor Tom Ahrens)
See fewer
Crater of Death (Sep
11,
1997)
Season 34,
Episode 11
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Self - California Institute of Technology
Self - California Institute of Technology
See fewer