Nobibi Was Here! de arimasu (ノビビ が来た! であります Nobibi: ga Kita! de arimasu) is the 305th episode of the anime Keroro Gunso.
- This is Nobibi's first appearance in person, he was only mentioned by Kiko in some Kero Zero episodes, though.
- This episode realives that the blob named Ketsubakuchiku came from that five-eyed monster that attacks Keron. It was a fragment from that monster.
- Nobibi is based of Nobita, a character from Doraemon series.
- This is the last episode to include Tamama Impact in his old design, which was used from Season 1 to Season 6.
- Natsumi is absent in this episode.
- Keroro narrates the preview for the next episode.
- When the blob was trasnforming into a scarecrow Keroro disguises himself in the past, the scarecrow doesn't appear for one frame, but in the preview, it does appear, actually.
- During Nobibi's flashback, the yellow Keronian who is crying has his face completely yellow, while he should have half of it in white as the kid, not the adult.
- When Nobibi was late and yelling at Keroro, his tooth disappears for a few frames.
- When Keroro stop Nobibi while Giroro and Tamama were holding him, Tamama's face is completely white, expect his eyes.