Sgt. Frog Episode 149: Alisa, Alien Versus Monster
Episode 149 of 358 of Sgt. Frog, aired February 23, 2007, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Alisa`s back, and she`s out to use Fuyuki as bait for further prey. But this time, the residents of Alien Town have caught on to Alisa`s activities, and they`ve decided to draw her out themselves. The hunter may become the hunted! Source: crunchyroll