The third season of WordGirl debuted 7 September 2010 and ended 8 July 2011.
| Ep. | Prod code | Airdate | Segment 1 | Segment 2 |
|---|---|---|---|---|
| 53/130 | 301 | 9/7/2010 | Bummertime | The Homerun King |
| 54/130 | 302 | 9/13/2010 | Granny and Clyde | Too Loud Crew |
| 55/130 | 303 | 9/14/2010 | The Invisi-Bill Hand | Birthday Town |
| 56/130 | 304 | 9/15/2010 | The Pretty Princess and Mr. Big Power Hour | Clean Up in Aisle Eleven |
| 57/130 | 305 | 9/16/2010 | When Chuck's Mom Is Away... | That's Entertainment |
| 58/130 | 306 | 10/11/2010 | Victoria Best | Showdown at the Secret Spaceship Hideout |
| 59/130 | 307 | 11/8/2010 | Captain Tangent | Chuck and Brent Ride Again |
| 60/130 | 308 | 1/3/2011 | Bend It Like Becky | Questionable Behavior |
| 61/130 | 311 | 1/17/2011 | Bampy Battles Bots | Truth, Revision, and the Lexicon Way |
| 62/130 | 310 | 2/8/2011 | Cherish is the Word | Granny's Intuition |
| 63/130 | 309 | 4/1/2011 | The Straw That Broke Two-Brains' Back | Nocan the Evil Ingredient Finding Guy |
| 64/130 | 312 | 5/6/2011 | Meat-Life Crisis | Mobot Knows Best |
| 65/130 | 313 | 7/8/2011 | A Better Mousetrap (Two-part episode) | |