The Daichis: Earth's Defence Family

The Daichis: Earth Defence Family (地球防衛家族, Chikyū Bōei Kazoku) is a Japanese anime series, created and written by Shōji Kawamori and directed by Satoshi Kimura. The series premiered in Japan on WOWOW between January 9, 2001 and March 29, 2001, spanning a total of 13 episodes.

Plot
The Daichis are a family in danger of tearing itself apart. Dissatisfied and money obsessed mom Seiko has served wimpy and otaku dad Mamoru with divorce papers. Daughter Nozomi who has always been saddled with all the housework, feels pained that everyone is using her. The youngest albeit most foul-mouthed, Dai is forced to watch all this as everything is going to pieces. However, when the Galaxy Federation recruits the Daichis to combat alien threats to the wellbeing of the Earth, it will be a chance for the family to save the world and maybe themselves.