Ep 12. Busy Box

In season 3, episode 12 of Ben 10: Alien Force, titled "Busy Box," Ben and his team, including Gwen and Kevin, are investigating a strange box that has been delivered to Plumber's Base. The box is inscribed with strange markings and emanates a powerful energy field. As the team tries to figure out what the box is and its purpose, they realize that it is under the control of a mysterious and powerful force.

The team soon learns that the box is actually a prison containing a powerful alien, and the markings on the box are a warning to keep it sealed. However, the alien inside has somehow taken control of the box and is using it to wreak havoc on the nearby town. As Ben and his team race to stop the alien before it can cause too much damage, they encounter several unexpected obstacles and setbacks along the way.

To make matters worse, Ben's old nemesis, Vilgax, is also after the busy box, hoping to use its power to further his own sinister plans. As the team navigates a series of dangerous and challenging situations, they must also try to stay one step ahead of Vilgax and his sinister minions.

Despite the challenges they face, Ben and his team are determined to stop the alien and save the town from destruction. With the help of their unique abilities and quick thinking, they are able to fight their way through a series of intense battles and finally confront the powerful alien inside the busy box.

But even with the alien safely contained once again, the team is left grappling with the aftermath of the chaos. As they try to make sense of what happened and how they can prevent similar situations in the future, they must also reckon with the ever-looming threat of Vilgax and the many other dangers that exist in the universe beyond their world.

Overall, "Busy Box" is a thrilling and action-packed episode of Ben 10: Alien Force that will keep viewers on the edge of their seats from beginning to end. With its high stakes, fierce battles, and unexpected twists and turns, it is a must-watch for any fans of the series or of action-packed sci-fi drama in general.