Ghost Whisperer S05 E22 The Children's Parade

"The dead are talking...and she is listening."

Jim's hospital is being haunted by the ghosts of kids from an abandoned polio ward in the early 1900’s. And the connection of Aidan, Melinda, the Shinies and the Shadows will come to a climax and Melinda and Jim will realize that they know almost nothing about Aiden's powers.