Season: 5

Original Airdate: November 21, 2008

Writer(s): Martin Gero

Director(s): Martin Gero

Guest Stars
Dave Foley as Dr. Malcolm Tunney
Marshall Bell as Terrence Kramer
Bill Nye as Himself
Neil deGrasse Tyson as Himself
Gary Jones as CMSGT Harriman

Synopsis: McKay brings Keller to Earth to visit an old rival physicist at his secret research facility. The rival demonstrates a wonderful new invention that’s intended to fight global warming, but things do not go as planned.

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