Geometry 101: Painful, Perplexing and Pungent Polygons (Japanese: ポリゴンでイケイケ!! 舞踊も美容も の〜りのり!? / 反撃レトロゲーム V 見るとやるとは大違い!? Go On with the Polygons!! Both Dancing and Beautifully Formed High Spi~rits!? / Counterattack Retro Game V Great Difference in Seeing and Doing!?) is the sixty-fourth episode of the Bobobo-bo Bo-bobo anime. It was first broadcast in Japan on July 2, 2005, and in the United States on June 30, 2007.

Geometry 101: Painful, Perplexing and Pungent Polygons
ポリゴンでイケイケ!! 舞踊も美容も の〜りのり!? / 反撃レトロゲーム V 見るとやるとは大違い!? Go On with the Polygons!! Both Dancing and Beautifully Formed High Spi~rits!? / Counterattack Retro Game V Great Difference in Seeing and Doing!?
First broadcast
Japan:	July 2, 2005
United States:	June 30, 2007
Themes
Opening:	Baka Survivor
Ending:	H.P.S.J.
Credits
Animation:
Screenplay:
Storyboard:
Assistant Director:
Animation Director:

Summary

Pre-Episode Segment

Main Plot

Characters

• Bobobo-bo Bo-bobo
• Don Patch
• Beauty
• Tokoro Tennosuke
• Softon
• Dengakuman
• Lambada
• Rem
• Hanpen (Cameo)
• Tsuru Tsurulina III (Cameo)
• Bobopatchnosuke
• Serviceman
• N&Ns
• Rice

Changes from the manga

Trivia

• One of these games in the retro arcade arena (the one where he runs up carrying giant "Nu" to Tennosuke) is a mini-game in the GBA game, Bobobo-bo Bo-bobo Bakutou Hajike Taisen.

Episodes

Episodes	1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76
Specials	Recap Special