Sgt. Frog Episode 58: My Snoballs Give Me Redbulls!
Episode 58 of 358 of Sgt. Frog, aired May 13, 2005, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Keroro decides to invade the Earth... through vending machines! And then Tamama awakens to a new special technique... Source: crunchyroll