Officers Mack and Jack find the missing link for busted holiday lights when they find an unexpected visitor; hacks to navigate any holiday office party; looking at how the ball drop became a New Year's tradition.

Dr. Hack finds an unlikely match in a veterinarian; Kevin and Brooke hack their way through the worst obstacles an airport has to offer; viewers share DIY solutions for whipping cream; how low prices can go if one acts like a ``good guy.''

A facial hack found in any school kid's book bag; how to treat oneself like it's one's birthday; diving deep into a garbage bag for what could be the wackiest hack yet.