Grandpa's Gundam Kido Senshi Gandamu Eiji : Season 1 Episode 29

Just after the birth of his son Kio, Asemu leaves for a special mission but never returns. On A.G. 164, the Vagans launch a large scale invasion on Earth that overruns the Federation Forces by surprise. Just when everything seems lost, Flit and Kio board the brand new Gundam AGE-3 to fight back.