Episode 39 of The Trigan Empire
The House of the Five Moons
aka In de greep van het kwaad / De dubbelganger (Dutch title)
Gripped by Evil / The Look-alike (Dutch title, translated)
The House of the Five Moons was originally published in 9 installments in issues 597 (23 June 1973) to 605 (18 August 1973) of Look and Learn magazine.
It is reprinted in the Don Lawrence Collection Volume 10, The House of the Five Moons.
Installments
597 598 599 600 601 602 603 604 605
Links
601
https://www.catawiki.com/en/l/57838519-lawrence-don-originele-pagina-trigie-the-house-of-the-five-moons-de-dubbelganger-1973
603
https://www.catawiki.com/en/l/56087035-lawrence-don-originele-pagina-trigie-the-house-of-the-five-moons-de-dubbelganger-1973
Plot summary (Dutch)