As Dog River celebrates its centennial, Hank decides to build a scale model of the town out of Lego; meanwhile, Karen reveals a hidden talent.

The door closer at Corner Gas breaks, so Brent takes Lacey's advice to hire the best door guy in the business, everything goes well until Brent tries to tune the device on his own. Wanda goes all out to protect her new telescope and see astronomical history, Oscar and Emma drive the town crazy when they borrow an RV.