Where can I watch “Ben 10: Alien Force” Season 3 Episode 12 online?

This page provides episode info and a legal-only guide. It does not host streams or downloads. Check official platforms and licensed services for availability in your region (US first).

Do I need to watch earlier episodes before “Busy Box”?

Watching earlier episodes in season 3 helps you follow the plot and character arcs leading into this episode.

Watch Ben 10: Alien Force Season 3 Episode 12 Online

“Busy Box” — Watch "Ben 10: Alien Force" Season 3 Episode 12 online in HD for free. Check streaming providers, cast, and episode details.

Dec 11, 2009 Season 3 Episode 12 23 min TV-Y7

7.4 ★ ★ ★ ★ ★

5 votes

Ben 10: Alien Force Season 3

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Season 3 Episode 12 — Aired on Dec 11, 2009 • runs about 23 minutes.

Notable cast/guest names in this episode include Yuri Lowenthal, Ashley Johnson, Greg Cipes.

This page includes 2 official still(s) (when available) plus legal availability links.

Looking for “watch Ben 10: Alien Force Season 3 Episode 12 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

Ben, Kevin and Gwen come across an alien box that can forms into a robotic version of whatever it sees. It power becomes a liability when the Vreedle brothers decide to take the box for themselves.