"MEDIUM"

"DROWNED WORLD"

05/12/2008 (10:00PM - 10:59PM) (Monday) : IN THE SEASON FINALE, KELLY PRESTON'S ("THE TENTH CIRCLE," "DEATH SENTENCE") ARC AS AN ATTRACTIVE VENTURE CAPITALIST IN BUSINESS WITH JOE AND ALLISON'S INVESTIGATION INTO A HAUNTED HOUSE BOTH COME TO UNFORESEEN CONCLUSIONS -- Allison's (Emmy winner Patricia Arquette) attempt to sooth a young couple's concerns that their "dream home" is haunted leads to unexpected misery -- and murder. Meanwhile, Joe (Jake Weber) discovers the truth behind Meghan Doyle's (Kelly Preston, "The Tenth Circle," "Death Sentence") plans for his solar power-based invention and their joint venture. Later, the D.A's race takes an unexpected turn when Tom Van Dyke (guest star John Prosky, "Boston Legal") calls Devalos (Miguel Sandoval) in for a meeting. David Cubitt, Sofia Vassilieva, Maria Lark and Miranda Carabello also star.