The Touhou M-1 Grand Prix is a series of CD/DVDs released by YELLOW ZEBRA wherein the characters from Touhou perform animated manzai skits. The project is built around a mock manzai tournament, also hosted and judged by the characters from the series.
You can find translation efforts ongoing over at Youtube. dgreater1 translated most of the 1st and 2nd GP but stopped afterwards. Furienify and a few others have been subtitling the 3rd Grand Prix and the 4th Grand Prix at the moment.
Subtitled Videos
1st Touhou M-1 Grand Prix (Reitaisai 4)
Judges: Ran, Kaguya, Lily White, Shikieiki
Hosts: Aya, Rinnosuke
Prize: The Hourai Elixir
First Round:
- Scarlet Mansion (Remilia/Flandre)
- Yuyuko & Youmu (Yuyuko/Youmu)
- Kekkai Shoujo (Reimu/Yukari)
- Witch Doll (Marisa/Alice)
Finals:
- Witch Doll Finals (Marisa/Alice)
- Scarlet Tsukkomi Finals (Remilia/Flandre/Cirno) [WINNER]
2nd Touhou M-1 Grand Prix (Comiket 73)
Judges: Yukari, Flandre/Cirno, Komachi, Akyuu
Hosts: Keine, Rinnosuke
Prize: Human Village Territory 100,000 goku
First Round:
- TewiReisen (Tewi/Reisen)
- PatchuMirin (Meiling/Patchouli)
- Yakumo Chen (Chen/Ran)
- Hourai Teruyo (Kaguya/Eirin)
Finals:
- Hourai Teruyo Finals (Kaguya/Eirin/Mokou)
- Yakumo Chen Finals (Chen/Ran) [WINNER]
3rd Touhou M-1 Grand Prix (Comiket 75)
Judges: Yukari/Ran, Suika, Kanako, Suwako, Shikieiki/Komachi
Hosts: Eirin, Rinnosuke
Prize: Becoming the Main Protagonists
3rd 東方M-1ぐらんぷり Opening
Commericial Break
First Round:
- Yuyuko & Youmu (Yuyuko/Youmu) Judging
- Wind Girl (Aya/Momiji)
- TewiKourin (Tewi/Rinnosuke)
- Witch Doll ("MARISA"/Alice)
- MikoMiko Spark (Reimu/Marisa)
Finals:
- TewiKourin Finals (Tewi/Rinnosuke)
- MikoMiko Spark Finals (Reimu/Marisa) [WINNER]
4th Touhou Grand Prix (Comiket 77)
Judges: Ran, Remilia, Reimu, Parsee, Kaguya
Hosts: Sanae, Rinnosuke
Prize: 10,000 Goku worth on the Capital Moon (roughly $567,000,000,000)
Opening: http://www.youtube.com/watch?v=1OruQXnex6E
Commercial Break: http://www.youtube.com/watch?v=GFmE7YL82KM
First Round:
- Oni Goddess Girls (Suika/Yuugi) Judging
- WerePhoenix (Moukou/Keine) Judging
- Satorin Okyuun (Utsuho/Satori) Judging
- MoriyaKero (Suwako/Kanako)
- Cat Stone (Koishi/Orin) Judging
Finals:
- Satorin Koishi (Satori/Koishi)
Bonus Material:
- KourinSpark (Rinnosuke/Marisa)
Unsubbed Videos
2nd Touhou M-1 Grand Prix (Comiket 73)
Commercial Break: http://www.youtube.com/watch?v=w-bMZioGmxw
2nd Touhou M-1 Grand Prix Final Judge
Hidden Manzais
Hidden: ????? (Probably a behind the scenes interview judging by the voices)
4th Touhou Grand Prix (Comiket 77) (Videos are apparently deleted)
Opening:http://www.youtube.com/watch?v=3ggN17Bidrs
First Round:
- Oni Goddess Girls (Suika/Yuugi)
- WerePhoenix (Mokou/Keine)
- Satorin Okyuun (Satori/Okuu)
- Moriya Kero (Kanako/Suwako)
- Cat Stone (Orin/Koishi)
Finals:
- Revival of the Defeated Combi (Okuu/Orin) [WINNER]