| 1. | Portal Funny/Epic Moments - Part 1 | 5,481 | | Portal 2
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| 2. | Catching Up: Portal - Episode 1 | 557 | | Portal 2
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| 3. | Catching Up: Portal 2 - Episode 1 | 437 | | Portal 2
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| 4. | Catching Up: Portal - Episode 2 | 301 | Show | Portal 2
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| 5. | Catching Up: Portal - Episode 7 | 299 | | Portal 2
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| 6. | Catching Up: Portal - Episode 4 | 253 | | Portal 2
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| 7. | Catching Up: Portal 2 - Episode 30 | 241 | | Portal 2
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| 8. | Catching Up: Portal - Episode 3 | 237 | Show | Portal 2
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| 9. | Catching Up: Portal 2 - Episode 31 | 225 | Show | Portal 2
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| 10. | Catching Up: Portal 2 - Episode 2 | 224 | | Portal 2
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| 11. | Catching Up: Portal 2 - Episode 28 | 198 | | Portal 2
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| 12. | Catching Up: Portal 2 - Episode 29 | 197 | | Portal 2
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| 13. | Catching Up: Portal 2 - Episode 4 | 186 | | Portal 2
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| 14. | Catching Up: Portal - Episode 8 | 171 | | Portal 2
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| 15. | Catching Up: Portal 2 - Episode 3 | 166 | | Portal 2
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| 16. | Catching Up: Portal 2 - Episode 27 | 164 | | Portal 2
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| 17. | Catching Up: Portal 2 - Episode 22 | 164 | | Portal 2
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| 18. | Catching Up: Portal 2 - Episode 19 | 163 | | Portal 2
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| 19. | Catching Up: Portal 2 - Episode 21 | 159 | | Portal 2
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| 20. | Catching Up: Portal - The End | 153 | | Portal 2
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| 21. | Catching Up: Portal 2 - Episode 33 | 150 | | Portal 2
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| 22. | Catching Up: Portal 2 - Episode 11 | 147 | | Portal 2
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| 23. | Catching Up: Portal 2 - Episode 5 | 142 | | Portal 2
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| 24. | Catching Up: Portal 2 - Episode 32 | 139 | | Portal 2
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| 25. | Catching Up: Portal 2 - Episode 10 | 138 | | Portal 2
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| 26. | Catching Up: Portal 2 - Episode 7 | 138 | | Portal 2
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| 27. | Catching Up: Portal 2 - Episode 20 | 129 | | Portal 2
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| 28. | Catching Up: Portal - Episode 14 | 128 | Show | Portal 2
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| 29. | Catching Up: Portal 2 - Episode 8 | 121 | | Portal 2
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| 30. | Catching Up: Portal 2 - Episode 18 | 121 | | Portal 2
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| 31. | Catching Up: Portal 2 - Episode 23 | 119 | | Portal 2
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| 32. | Catching Up: Portal 2 - Episode 14 | 119 | | Portal 2
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| 33. | Catching Up: Portal 2 - Episode 9 | 117 | | Portal 2
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| 34. | Catching Up: Portal 2 - Episode 24 | 115 | Show | Portal 2
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| 35. | Catching Up: Portal 2 - Episode 12 | 113 | Show | Portal 2
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| 36. | Catching Up: Portal 2 - Episode 17 | 112 | | Portal 2
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| 37. | Catching Up: Portal 2 - Episode 15 | 110 | | Portal 2
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| 38. | Catching Up: Portal 2 - Episode 26 | 101 | | Portal 2
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| 39. | Catching Up: Portal 2 - Episode 6 | 101 | | Portal 2
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| 40. | Catching Up: Portal 2 - Episode 25 | 100 | | Portal 2
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| 41. | Catching Up: Portal 2 - Episode 16 | 99 | | Portal 2
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| 42. | Catching Up: Portal 2 - Episode 13 | 73 | | Portal 2
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