Ben 10: Ultimate Alien2010 | TV Show

Cast & Crew  |  Episode Guide

Animated series following 16-year-old Ben Tennyson, a newly famous superhero, as he fights villains using the Ultimatrix, a gadget that transforms him into an array of alien heroes.

Premiered: April 23, 2010

Rating: TV-Y7

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Season 2, Episode 21 The Mother of All Vreedles

First Aired: November 18, 2011

Ma Vreedle plans to spawn, which could dry up Earth's oceans.

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Previous Episode

The Widening Gyre

Season 2, Episode 20

November 4, 2011

Next Episode

A Knight to Remember

Season 2, Episode 22

December 2, 2011

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