The Dome Experiment Special

Summary

Benson is determined to prove he was right about the date of the "Dome Experiment".

Guest stars

• David Ogden Stiers as Mr. Maellard (voice)
• Roger Craig Smith as Dr. Dome / Fake Rigby / Scientist #2 (voice)
• Andres Salaff as Fake Mordecai / Fake Muscle Man / Ventriloquist (voice)
• Ali Hillis as Fake Hi Five Ghost / Fake Audrey / Scientist #3 (voice)