Episode 65 of The Trigan Empire
Mazaratto’s Universal Elixir
aka Dr. Mazaratto’s Elixir
Het universele elixer (Dutch title)
The universal elixir (Dutch title, translated)
Mazaratto’s Universal Elixir was originally published in 8 installments in issues 800 (14 May 1977) to 807 (2 July 1977) of Look and Learn magazine.
Plot summary (Dutch)