Mandela catalogue is a fictional series of analog horror videos that depict disturbing alternate realities and supernatural phenomena. The video series was created by Alex Kister and has a massive following online. The series is known for its dark and disturbing content, and its cult-like following has led to many conspiracy theories and speculation. The series is known to be unsettling and terrifying for some, but it's also a fascinating and thought-provoking series that poses many questions. 