When Sadie asks Willie to be a guest lecturer at her business class, things get derailed when Uncle Si tags along and uses it as an opportunity to promote his new invention, in this clip from Season 10, Episode 3.

#DuckDynasty

Subscribe for more from Duck Dynasty and other great A&E shows:

http://aetv.us/subscribe-duck-dynasty

Find out more about the show and watch full episodes on our site:

http://aetv.us/1EAy7kc

Like the official Duck Dynasty Facebook page:

https://www.facebook.com/duckdynasty

Tweet (quack?) along with the show on Twitter:

https://twitter.com/DuckDynastyAE

Check out exclusive A&E content:

Website - http://www.aetv.com/

Facebook - https://www.facebook.com/AETV

Twitter - https://twitter.com/AETV

""Duck Dynasty"" profiles the close-knit clan behind a multi-million dollar sporting empire. The Robertsons face everything from beavers to business deals in their own special way-with a twist of downhome practicality and a sharp sense of humor.

"Duck Dynasty" profiles the close-knit clan behind a multi-million dollar sporting empire. The Robertsons face everything from beavers to business deals in their own special way-with a twist of downhome practicality and a sharp sense of humor.