Last updated on Tuesday 21 January 2014 at 05:34 UK

Watch The Mighty B! - Series 1 - Episode 3 Online Free

The Mighty B! - Series 1 - Episode 3PLAY

Bessie builds a robot in an attempt to win the Mad Scientist badge, but Portia takes control of the robot to humiliate Bessie./Bessie desperately wants to join the Honeybee band, but Portia won’t let her since she doesn't have any musical skills.

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