TV highlights: A '90's action hero fights monstrous tarantulas in 'Lavalantula'

"Lost Boy" (Lifetime at 8 p.m.) tells the story of a 17-year-old named Mitchell who returns to his family after being missing for 11 years.On "Power" (Starz at 9), Tasha and Ghost try to calm down a frantic Tommy, who is panicked over Holly's disappearance.