Canal 5 Sources

With very little searching, you will find the source of all of these videos. -ScareTheatre
Challenge accepted.
2 video 4 discoveries made by this reddit post
Okay
Canal 5 	OG
Video 1 	Ingrate (0:02 - 0:20) by Meatsleep Archives (Is a reupload from the original Meatsleep account.)
Video 2 	you are michael rosen's lunch by ¿ oɹʎduɐɥʇǝ
Which samples Munch Munch by Rosen Edits
Which samples Lunchtime (0:05 - 0:18) by Michael Rosen
Video 3 	Unknown
Video 4 	Audio: Slenderman Music Box
1st clip: The Original by Colin Raff
3rd clip: American horror story coven intro
4th clip comes from Mama (2013)
Beginning audio: TTS reading of Tomino's Hell
Video 5 	My New Girlfriend by Eric Jae
Video 6 	Johnny Quasar by Udge
Which samples Johnny Quasar short (low quality clip version)
Video 7 	Clip094.mp4 by foundonthetape
Video 8 	Rabbit by Gee Gee
which samples Mr Ed Spoof, Crazy white rabbit, Techno Bunny, & Bengal tiger crawling up stairs all bu Humanimals
Video 9 	宝島ＣＭ
Video 10	Unknown
Song used is R35TT - B06 by Boards Of Canada
Video 11	Unknown
Video 12	Scary Japanese Tire Commercial
Video 13	The Helvetica Scenario (0:45 - 1:15)
Video 14	Agamemnon Counterpart by Michael Robinson (0:25 - 1:30)
Which samples A Cry From Within Movie (29:47 - 30:27) & The Human Tornado by Xavier Chatman