Super Robot Taisen OG The Animation
スーパーロボット大戦OG ディバイン・ウォーズ それぞれの路（みち）
Super Robot Taisen OG: Divine Wars - Sorezore no Michi Super Robot Wars Original Generation: Divine Wars Special
This is considered episode 26 of the series which was only included on the final DVD. It primarily focuses on the aftermath of the final TV episode (25).