Jamie and Adam explore whether it's safe to use the explosive C4 as a cooking fuel as long as you don't drop anything on it, while Kari, Grant, and Tory put a Chinese martial-arts myth to the test.
The Grayson 4th of July parties are legendary, but this year's festivities ignite the wrong kind of fireworks when an incriminating surveillance video pops up and breaks the bond of trust between the Graysons and their head of security, Frank. Frank won't go down without a fight, which will spell trouble for Nolan and Emily. Meanwhile, the tension between Emily and Tyler will come to a head, Daniel can't seem to catch a break, and both of the Porter boys make bold moves to get their girl.
Sharon is thrilled that Randy is making an effort to do more things that she enjoys. But, after he takes her to see a hit musical in Denver, Randy becomes Broadway’s biggest fan. Sharon is whisked away to New York and treated to every musical on the Great White Way.
PETA files a lawsuit to free captive whales, immigrant farm workers flee Alabama, and Taylor Branch discusses the multi-billion dollar college sports industry.
After being embarrassed over wearing a childish costume at a high school Halloween costume party and being ignored by the guys, Sue asks a flabbergasted Mike for his advice on what boys want when it comes to girls. Meanwhile, Frankie reluctantly volunteers to take Brick's socially awkward school social skills group trick-or-treating, and Axl and his friends devise a plan to trick rather than treat the neighborhood kids on Halloween.