Columns: No. in Series | No. in Season | Title | Directed by | Written by | Original air date | U.S. viewers (millions)
45 | 1 | "The Underneath" | John Gray | John Gray | September28,2007 | 8.72 | 46 | 2 | "Don't Try This at Home" | Ian Sander | Teddy Tenenbaum & Laurie McCarthy | October5,2007 | 8.91 | 47 | 3 | "Haunted Hero" | Eric Laneuville | Breen Frazier & Karl Schaefer | October12,2007 | 8.90 | 48 | 4 | "No Safe Place" | Peter O'Fallon | Jeannine Renshaw | October19,2007 | 8.95 | 49 | 5 | "Weight of What Was" | Gloria Muzio | P.K. Simonds | October26,2007 | 9.99 | 50 | 6 | "Double Exposure" | Eric Laneuville | Laurie McCarthy | November2,2007 | 9.18 | 51 | 7 | "Unhappy Medium" | Frederick E.O. Toye | Breen Frazier | November9,2007 | 9.85 | 52 | 8 | "Bad Blood" | Peter Werner | Teddy Tenenbaum | November16,2007 | 9.56 | 53 | 9 | "All Ghosts Lead to Grandview" | Frederick E.O. Toye | P.K. Simonds & Laurie McCarthy | November23,2007 | 9.98 | 54 | 10 | "Holiday Spirit" | Steven Robman | Jeannine Renshaw | December14,2007 | 9.80 | 55 | 11 | "Slam (a.k.a. Slambook)" | Mark Rosman | Karl Schaefer & Daniel Sinclair | January11,2008 | 9.86 | 56 | 12 | "First Do No Harm" | Ian Sander | John Gray | January18,2008 | 9.91 | 57 | 13 | "Home But Not Alone" | Eric Laneuville | P.K. Simonds & Laurie McCarthy | April4,2008 | 9.06 | 58 | 14 | "The Grave Sitter" | Frederick E.O. Toye | John Gray | April11,2008 | 8.55 | 59 | 15 | "Horror Show" | Ian Sander | Jeannine Renshaw | April25,2008 | 8.98 | 60 | 16 | "Deadbeat Dads" | Gloria Muzio | Mark B. Perry | May2,2008 | 9.21 | 61 | 17 | " Stranglehold "(Part 1) | Eric Laneuville | Laurie McCarthy & P.K. Simonds | May9,2008 | 8.78