S03:É18 - S03:E18 - The Elixir

Challenger takes on the problem of food shortages by inventing a nutritional elixir that would eliminate world hunger. He decides to become his own human subject and test the concoction himself, but an unintended side effect causes him to experience vivid hallucinations. An apparition of his younger self appears in his lab, urging the older professor to shun his comrades and pursue glory at any cost. That night, Challenger's wife comes to his bedside to challenge the importance of his work. As Challenger 's visions become increasingly dangerous, his friends must master the science behind his elixir in order to find an antidote.