Solitary

44:00 -- The final two guests go head-to-spinning-head in an "a-maze-ing" test that gives one of them an advantage in the electrifying final treatment.

44:00 -- The final three guests attend their own funeral - they build their own coffins before having to lie in them.

44:30 -- A new Valphabet teaches the guests that "P" is for "Painful" and "Q" is for "Quit".

44:01 -- A gruesome test makes animals out of all of the guests.

44:00 -- A microscopic message has all of the guests speaking in tongues.

44:00 -- The guests have their nerves tested by dozens of snapping mousetraps.

44:01 -- The guests feel the sting of forty excruciating "Flesh Clips".

1:04:02 -- The experiment begins with a shocking twist, and two guests are sacrificed by the episode's conclusion.