“Mountain Monsters: THE DARK FOREST REVEALED” (9 P.M., TRAVEL): Deep in the Appalachian

“Mountain Monsters: THE DARK FOREST REVEALED” (9 P.M., TRAVEL): Deep in the Appalachian Mountains, creatures both legendary and terrifying lurk among the shadows. Season four of the cult-classic series “Mountain Monsters,” begins tonight with a special two-hour premiere on its new home, the Travel channel.

TV listings, B5