Dai-Guard (地球防衛企業 ダイ・ガード, Chikyū Bōei KiGyō Dai Gādo?) is an anime television series, produced and animated by XEBEC, and directed by Seiji Mizushima. It aired from October 5, 1999 to March 28, 2000 on the TV Tokyo, ran for 26 episodes, and 6 volumes of videos were released on VHS and DVD. The series also had a very brief run (two episodes) on Cartoon Network through Toonami's "Giant Robot Week."

Source: Wikipedia