The Sinkhole is the sixth episode of Season 6. It aired on November 12, 2014.
Frankie is forced to wash the dishes with the hose after the kitchen sink falls into a sinkhole. Meanwhile, Sue has to master tinikling to receive credit for gym class, upon being told by her guidance counselor that wrestlerettes does not qualify for physical education credit. After Brick accidentally breaks Mike's lawn mower, Axl advises him to take his father's wallet then act like he found it later, thinking this will divert Mike's attention away from the broken mower.