Overview: Katrina and Heather travel to Fort Mifflin, located in Philadelphia, PA. Fort Mifflin is known for its role in the Revolutionary War and the Civil War, but it's also known for its ghosts! From the phantom screaming woman to mysterious figures that show up in photos strange things have been happening at the Fort for decades. Katrina and Heather invite electrical engineer Zak Heino to explore different ways to document the unexplainable phenomena using specialized equipment built by Zak. Michelle Belanger does a phenomenal remote reading from her house in Ohio without having any knowledge of the team's location.