Episode Title:WordGirl Makes a Mistake.Episode Description:Part 1: While Wordgirl is stopping Mr. Big's latest plan, she is caught mispronouncing words!
Part 2: Mr. Big exposes Wordgirl to her weakness, lexonite, a meteor from her home world. Now Mr. Big is on the moon, ready to complete his mission. How will Wordgirl get out of this situation and stop Mr. Big's plan?