Twin Signal: Family Game
English title: Twin Signal
Japanese title: TWIN SIGNAL~ファミリーゲーム~
Type: OVA
Episodes: 3
Source: Manga
Genres: Action, Comedy, Sci-Fi
Producers: TV Tokyo, Tokyo Kids, Sony Music Entertainment
Duration: 29 min per ep
Rating: PG-13 - Teens 13 or older

Signal, a robot companion built for Nobuhiko, is attacked by Pulse, one the its creator's previous prototypes. Reprogrammed by Dr. Otoi's mysterious rival, Pulse is loaded down with weapons and sent on a mission by Otoi: steal the most recent robot technology, and obliterate anything that gets in his way.

(Source: ANN)