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YouTube
Mark runs the YouTube channel "Gate Of Theories" with his brother. It has been running since 2016 and has gained over 100,000 subscribers, and over 70,000 on Tik Tok. The channel makes videos on film and tv, including: theories, facts, then and nows, tier lists, reactions, reviews and more.
Gate of theories
This Should Be In The MCU
00:15
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Stranger Things Then and Now 2025 Shorts Edition
00:35
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Turner & Hooch Helped Toy Story
00:12
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Teen Beach Movie Then and Now 2025 Shorts Edition
00:35
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