Contains spoilers for "Ghosts" Season 3, Episode 9 -- "The Traveling Agent" Pete Martino (Richie Moriarty) has become the peacemaking heart of the "Ghosts" gang over the decades -- which is why ...

Season 4 of "Ghosts" airs Thursdays on CBS ... Higgintoot), Danielle Pinnock (Alberta Haynes), Richie Moriarty (Pete Martino), Rebecca Wisocky (Hetty Woodstone) and others. Here's how to watch ...