An educational anime, each episode contains three short stories.
 
(Source: AniDB)

TV anime adaptation of Hisaichi Ishii's comedy manga "Ojamanga Yamada-kun".

When Gorou Tatsumi, a burly undercover police officer at Shinjuku station is hit upon by a unsuspecting hooker, both of their lives take a totally unexpected turn. 
Before long Tatsumi and the hooker fall in love with each other but a jealous former client of the girl doesn't approve and as tensions escalate, Tatsumi finds himself the victim of a vicious knife attack. 
Only the girl can find out who the culprit is but, how will she do it?

In the mountains of India, a man named Takeshi Yamato gains the abilities of the legendary Rainbow Warrior, allowing him to transform into Rainbowman. With this power, he has to stop aliens from invading the earth.

Three additional adventures for the Kimengumi and friends. 

Taro "Dokaben" Yamada, who was a judoist while at junior high, enters Meikun High School and is talked into joining the baseball club. He displays his superb athletic abilities in baseball and becomes well-known as a hard hitter. He and his unique teammates establish Meikun a solid position as No.1 in the High School Baseball Championship games. 
(Source: nipponanimation.com)

Tsubasa Ozora moves to the town Nankatsu to increase his skills as a soccer player. He is challenged by the Super Goalkeeper Genzo Wakabayashi. He then agree to compete and see who was the best soccer player there. 
 
(Source: Anime News Network)

A group of 5 male high school students that call themselves the funny-face group cause trouble at school with their crazy antics. 
(Source: AniDB)

Tsuchida Productions