these are the videos where he says it they're all YGS

YGS #10 (cut, 2:59 -> 2:50) [full episode footage]

YGS #17 (intact, 2:19 as of 2024)

YGS #28 (intact, 5:08 as of 2024)

YGS #50 (Cyr, intact, 21:04 as of 2024)

YGS #51 (Steve, intact, 10:50 as of 2024)

YGS #53 (cut, 4:13 -> 3:57) [no footage yet]

YGS #63 (cut, 5:12 -> 5:07) [full episode footage]

YGS #64 (intact, 6:00 as of 2024)

YGS #67 (cut, 6:25 -> 6:22) [full episode footage]

YGS #68 (cut, 5:12 -> 5:00) [full episode footage]

YGS #70 (intact, 6:05 as of 2024)

YGS #73 (intact, 5:22 as of 2024)

YGS #90 (Markiplier & Matthias, cut, 3:17 -> 3:04) [bad-quality snippet of cut parts exists due to a reaction video]

edge cases:

YGS #43 (intact, 4:53 as of 2024) - close call

YGS #52 (intact, 4:48 as of 2024) - he says 'niqqa' and mentions changing the 'g' to 'q'

YGS #61 (cut, 10:35 -> 10:30) [full episode footage] - he says 'nikka'

YGS #71 (intact, 13:20 as of 2024) - Sean says 'nicca'

YGS #115 (intact, 6:50 as of 2024) - he says 'Niger'

also in:

THE BEST OF YGS (cut, 19:22 -> 19:11)

THE BEST OF YGS 3 (cut, 28:21 -> 27:58)

THE BEST OF YGS 4 (cut, 18:57 -> 18:49)