Holmes Makes It Right (2012)

S1E4 Caught in a Trap (Part 1)

After traveling to Europe, Peggy and Don return to find their home in disarray, having left a contractor to build a second-story addition. Unfortunately, the project remains incomplete and their property is vulnerable to the weather. The basement has suffered severe water damage, and their belongings are in shambles. Seeking assistance, they turn to Mike, who discovers an enormous infestation of carpenter ants, the largest he has ever encountered.