On this episode of Ghost Hunters, TAPS revisits Alexandria, Louisiana, to investigate the Alexandria Zoo. The staff has experienced unexplained occurrences ever since their longtime friend and zookeeper, Les, passed away. Could their beloved friend be pulling practical jokes from beyond the grave? The team reveals one of the best pieces of evidence they have ever captured. TAPS also has exciting news to share: Adam has earned his stripes and will be promoted to Investigator, and a new member joins the team. Is she up for the challenge? Can she fit in with the team? Will she sink or swim in the paranormal pool?