All episode titles, airdates, and synopses have been sourced from the original Cartoon Network press kits and the official Ben 10 website archives (2010–2012).

How to watch and stream Ben 10: Ultimate Alien - 2010-2012 on Roku

Focus: Kevin is cured, and the team faces off against old enemies resurfacing and the Will Harangue saga.

This guide is organized by production code (the intended viewing order), which ensures that continuity, character arcs, and plot twists make the most sense.

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