'Little Couple': Bill & Jen Prepare Will For Zoey

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The countdown is on for Zoey's arrival, and The Little Couple's Bill and Jen are eager to prepare their son William, 3, for the family's new addition. 

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"I'm just hoping that when she's there in the flesh and, you know, she's standing just a little bit shorter than him that he doesn't try to punch her in the face," jokes Bill in an exclusive sneak peek at tomorrow's all-new episode.

Click the clip to see the excited parents prepare William for the arrival of his little sister Zoey!

Related: Bill's First Father's Day on 'The Little Couple'

You can catch this episode of The Little Couple when it airs Tuesday, October 8th at 10/9c on TLC.