| 1. | Shovel Of Aether (Meme Trailer) | Brothers Theory Productions | 1 | Preview | Rivals of Aether
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| 2. | Marvel Maps (Music Video of "Maps" Maroon 5) | Brothers Theory Productions Song | 1 | |
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| 3. | Spider-Meme 2: Time For Pizza Time | Brothers Theory Productions | 1 | |
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| 4. | What Will The Next Theory Be About? | Brothers Theory Productions | 2 | |
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| 5. | Brothers Theory Productions But I Have Something To Tell You | Brothers Theory Productions | 2 | |
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| 6. | Shovel Knight: Vodka Showdown (Meme Trailer) | Brothers Theory Productions | 3 | Preview | Shovel Knight
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| 7. | Harry Potter: Endgame (Meme Trailer) | Brothers Theory Productions | 3 | Preview |
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| 8. | Star Wars: Rise Of The LEGO Skywalker Saga | Brothers Theory Productions | 3 | |
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| 9. | Super Mario ODYSSEY (Meme Trailer)| Brothers Theory Productions | 3 | Preview | Super Mario Odyssey
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| 10. | Morty Is Becoming Rick?! (Confirmed?) | Brothers Theory Productions | 3 | |
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| 11. | Guardians of The Meme Galaxy (Meme Trailer) | Brothers Theory Productions | 4 | Preview | Guardians
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| 12. | Fail Guys (Meme Trailer) | Brothers Theory Productions | 4 | Preview |
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| 13. | Harry Potter But It’s Reverse Pokémon | Let's Play GBA HP3 #1 Brothers Theory Productions. | 4 | Let's Play | Harry Potter and the Prisoner of Azkaban
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| 14. | Super DGR World But It's a Kaizo Rom Hack | Brothers Theory Productions | 4 | |
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| 15. | SHAZAM!: Just Yay The Wow (Meme Trailer) | Brothers Theory Productions | 4 | Preview |
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| 16. | Super Mario World But We Meet Other Yoshi In Heaven | Brothers Theory Productions | 4 | | Super Mario World
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| 17. | Super Mario World But It's The Original Super Mario Odyssey | 4 | | Super Mario Odyssey
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| 18. | Shovel Knight: Treasure Treasure (Meme Trailer) | Brothers Theory Productions | 4 | Preview | Shovel Knight
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| 19. | What Theory Should We Do Next? | Brothers Theory Productions | 5 | |
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| 20. | We Used To Be Guardians (Music Video For "Giants" by Dermot Kennedy) | Brothers Theory Productions | 5 | |
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| 21. | Spider-Man 3: Emo Parker Forever | Brothers Theory Productions | 6 | | Spider-Man 3
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| 22. | Shovel Knight DIG (Meme Trailer) | Brothers Theory Productions | 6 | Preview | Shovel Knight Dig
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| 23. | Deadpool 2.0 (Meme Trailer) | Brothers Theory Productions | 6 | Preview |
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| 24. | Shovel Knight: Trove Trove (Meme Trailer) | Brothers Theory Productions | 6 | Preview | Shovel Knight
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| 25. | Super Mario World But We Do More Than Just Beating The Game | Brothers Theory Productions | 6 | | Super Mario World
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| 26. | Meme Wars Jedi: Fallen Disorder (Meme Trailer) | Brothers Theory Productions | 6 | Preview | Star Wars Jedi: Fallen Order
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| 27. | What Was The Solution To Rick Potion #9 ?! | Brothers Theory Productions | 7 | |
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| 28. | Spider-Man: Far Far Away From Home (Meme Trailer) | Brothers Theory Productions | 7 | Preview |
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| 29. | The Third Chosen One! | Brothers Theory Productions | 8 | |
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| 30. | Paper Mario:The Origami King Hidden Lore?! | Brothers Theory Productions | 8 | | Paper Mario
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| 31. | Super Meme Maker 2 (Meme Trailer)| Brothers Theory Productions | 9 | Preview | Super Mario Odyssey
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| 32. | Who is Black Knight? | Brothers Theory Productions | 9 | | Shovel Knight
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| 33. | Mat Pat's New Theory Channel Identity Revealed! | Brothers Theory Productions | 10 | |
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| 34. | WALL-E (Meme Trailer) | Brothers Theory Productions | 10 | Preview |
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| 35. | Niko Is DEAD! (And I Can Prove It!) | Brothers Theory Productions | 20 | | OneShot
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| 36. | Pokemon Is A (Lucid) Dream! | Brothers Theory Productions | 15 | |
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| 37. | How Do Powerups Work? Teaser Trailer #1| Brothers Theory Productions | 15 | Preview | Super Mario Odyssey
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| 38. | The Triangular Lie! | Brothers Theory Productions | 16 | |
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| 39. | How To Train Your Pokemon! | Brothers Theory Productions | 17 | Guide |
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| 40. | The Truth About The Warp Whistle! | Brothers Theory Productions #shorts | 18 | | Warp
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| 41. | How Loki Will END! | Brothers Theory Productions | 18 | |
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| 42. | BNL's Unauthorized Business | Brothers Theory Productions | 18 | |
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| 43. | Why Does Klepto Always STEAL Mario's Hat? | Brothers Theory Productions | 18 | |
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| 44. | What are the Shiny Objects? (SpongeBob Squarepants: Battle For Bikini Bottom Rehydrated) | 19 | | SpongeBob SquarePants: Battle for Bikini Bottom
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| 45. | Mario Is Better (Prepared) Than Luigi! | Brothers Theory Productions #shorts | 19 | |
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| 46. | Mario’s F.L.U.D.D. Is A Weapon Of MASS Destruction! | Brothers Theory Productions | 20 | | Mass Destruction
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| 47. | Why The Mad Piano Is Indestructible! | Brothers Theory Productions #shorts | 19 | |
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| 48. | The SONG Is About THE HAMMER! #shorts | Brothers Theory Productions | 21 | |
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| 49. | What Animal Could Plessie Be? [SPOILER FREE] | Brothers Theory Productions | 20 | |
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| 50. | Beware The Big Stew! | Brothers Theory Productions | 23 | | Super Mario Odyssey
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| 51. | How DEADLY Is Super Mario's Chain Chomp? | Brothers Theory Productions | 23 | | Super Mario Odyssey
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| 52. | How Mario Doomed A Kingdom FOREVER! | Brothers Theory Productions | 23 | | Super Mario Odyssey
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| 53. | Why Were The Members of The Order of No Quarter Chosen? (The Enchantress' Plan Explained) | BTP | 23 | | Shovel Knight
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| 54. | Don't Eat Gold! | Brothers Theory Productions | 23 | | Minecraft
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| 55. | Among Fall Guys: Ultimate Voteout (Meme Trailer) | Brothers Theory Productions | 23 | Preview |
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| 56. | Rey Is The Worst Jedi Ever?! | Brothers Theory Productions | 25 | |
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| 57. | Henry Stickmin Collection CTM (Meme Trailer)| Brothers Theory Productions | 27 | Preview | The Henry Stickmin Collection
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| 58. | Was Cuphead's Dice Roll RIGGED? | Brothers Theory Productions | 28 | | Cuphead
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| 59. | Mr Beast, What Have You Done?! | Brothers Theory Productions | 28 | | Minecraft
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| 60. | Pixar's Total Death Count! (WALL-E, Ratatouille, Up, ...) [Part 1] | Brothers Theory Productions | 29 | |
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| 61. | Why Bowser Became Evil! | Brothers Theory Productions #shorts | 30 | |
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| 62. | How To Make Your Own Netherite Armor! | Brothers Theory Productions | 33 | Guide | Minecraft
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| 63. | Sonic Is NOT FAST! (kinda) | Brothers Theory Productions #shorts | 34 | |
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| 64. | The Giga Bell Is A LIE! [SPOILER FREE] | Brothers Theory Productions | 35 | | Super Mario 3D World Bowser's Fury
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| 65. | Mr. Krabs and Plankton's SECRET Collab! | Brothers Theory Productions | 35 | |
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| 66. | The DEADLY Jerktonium That KILLED Bikini Bottom! (Christmas Special) | Brothers Theory Productions | 37 | |
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| 67. | It's Finally Here! | Brothers Theory Productions | 36 | |
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| 68. | Don't Get Captured! | Brothers Theory Productions | 37 | |
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| 69. | The Truth About The Ender Dragon! | Brothers Theory Productions | 38 | | Minecraft
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| 70. | Proof That Pauline Is A Bad Mayor! | Brothers Theory Productions #shorts | 38 | | Super Mario Odyssey
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| 71. | What Could This Be? | Brothers Theory Productions | 39 | |
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| 72. | Super Mario World Is A BEDTIME STORY!! #Shorts | Brothers Theory Productions | 39 | | Super Mario World
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| 73. | Yoshi Is Part Amphibian! #shorts | Brothers Theory Productions | 45 | | Yoshi
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| 74. | The Totem Of Undying Is Lying To You! | Brothers Theory Productions | 43 | | UNDYING
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| 75. | Bowser is FIRE PROOF! #Shorts | Brothers Theory Productions | 47 | |
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| 76. | How Many Possible LEVELS Can You Make in Super Mario Maker 2? | Brothers Theory Productions | 54 | | Super Mario Maker 2
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| 77. | The Warden Has A PARASITE! | Brothers Theory Productions | 52 | | Parasite
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| 78. | Super Mario 64 Is A HORROR STORY! #Shorts | Brothers Theory Productions | 57 | | Horror Stories
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| 79. | We Were Wrong About Herobrine! | Brothers Theory Productions | 55 | |
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| 80. | Luigi's Dark Fate In Luigi's Mansion! | Brothers Theory Productions #shorts | 57 | | Luigi's Mansion
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| 81. | Could Kratos Lift Thor's Hammer? | Brothers Theory Productions | 61 | | God of War Ragnarök
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| 82. | Minecraft Is Just A Dream? | Brothers Theory Productions | 72 | | Minecraft
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| 83. | Mario Embodies The SEVEN DEADLY SINS!! #Shorts (Halloween Special) | Brothers Theory Productions | 81 | | The Seven Deadly Sins
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| 84. | There Are Fall Guys Among Us! | Brothers Theory Productions | 79 | | Among Us
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| 85. | Mario Was In A Coma For 1 WEEK! | Brothers Theory Productions #shorts | 79 | | Super Mario Odyssey
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| 86. | The Only Way To Win In Among Us? | Brothers Theory Productions | 83 | | Among Us
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| 87. | The SECRET Spider-Man Punch Of Andrew Garfield! #shorts | Brothers Theory Productions | 103 | |
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| 88. | Crewmates Are The Real Impostors?! (Quickie Theory) | Brothers Theory Productions | 141 | | Among Us
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| 89. | The Toppat Clan’s Demise: Ready For Take Off? [PART 2] | Brothers Theory Productions | 147 | |
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| 90. | The Tunisian Diamond Is FAKE! | Brothers Theory Productions | 154 | |
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| 91. | The Tragic Fate Of Geoffrey Plumb! | Brothers Theory Productions | 188 | |
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| 92. | The Toppat Clan's Demise: Ready For Take Off? [PART 1] | Brothers Theory Productions | 189 | |
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| 93. | The Multiverse Is NOT Corrected! | Brothers Theory Productions | 204 | |
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| 94. | Who Is Ellie Rose? | Brothers Theory Productions | 278 | |
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| 95. | How To Defeat Right Hand Man! | Brothers Theory Productions | 280 | Guide |
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| 96. | The Tragic Past Of Charles Calvin! | Brothers Theory Productions | 287 | |
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| 97. | The People At The Center Of Chaos Containment (CCC) Are The Good Guys? | Brothers Theory Productions | 333 | | Containment
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| 98. | Henry Stickmin, The God Of Failure? | Brothers Theory Productions | 356 | |
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| 99. | Henry is Unstoppable? | Brothers Theory Productions | 368 | |
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| 100. | Charles Is A TIME TRAVELER! (Another Way He Could Have Survived?) | Brothers Theory Productions | 404 | |
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