Watch Sgt. Frog 1-51 Episode 4 – Giroro: The Most Dangerous Man in the Universe, Sir! / Keroro: Rain with a Slight Chance of a Dangerous Man, Sir! online on animeTVplus with subtitles and HD playback.
← Episode 3 – Keroro's Critical Point Breached, Sir! / Keroro's Secret Mission Begins, Sir! All Sgt. Frog 1-51 episodes Episode 5 – The Song of Men Who Love Their Toys, Sir! →
Other seasons: Sgt. Frog 52-103
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