This Week in TV (Oct. 12-19)

New episodes this week from:

• Heroes,
• Eastwick,
• FlashForward,
• Vampire Diaries,
• Fringe,
• Supernatural,
• Ghost Whisperer,
• Smallville,
• Medium,
• Stargate Universe, and
• Sanctuary.

Guest stars this week include: Ernie Hudson makes his first appearance on Heroes; Travis Schuldt (Scrubs) appears as an FBI agent on Fringe; Chris Gauthier (Eureka) returns as the Toymaker on Smallville; Brian Hallisay (Privileged) is Joanna's ex-fiance on Eastwick; Rizwan Manji (also Privileged) is on FlashForward; Mike Farrell in Ghost Whisperer; Fisher Stevens (Early Edition) appears on Medium); Marguerite MacIntyre (Kyle XY) continues her recurring role as sheriff on Vampire Diaries.

Synopses below the jump. For details see the listings (regular or alphabetical).

• Heroes "Hysterical Blindness" (405). Samuel prepares to expand his family, but Lydia worries about the repercussions of his actions. Elsewhere, Gretchen surprises Claire with a hidden agenda; Peter connects with a reluctant Emma; and Sylar tries to remember who he was in the past.
• Eastwick "Fleas And Casserole" (104). Joanna's ex-fiancé makes a surprise visit just as she's about to go out with Will. Elsewhere, Roxie takes Darryl's suggestion and does some digging on her neighbor Jamie, while Kat finally accepts the help of Darryl's divorce attorney.
• FlashForward "Black Swan" (104). Bryce believes a patient's flash-forward may be the key to a correct diagnosis and treatment, but Olivia isn't sure; Demetri and Mark argue over their reactions to their flash-forwards; Nicole returns to work as Charlie's babysitter and shares what she saw: a murder.
• Vampire Diaries "Lost Girls" (106). Stefan reveals his family's history to Elena and how his rivalry with Damon began. Meanwhile, Damon tries to take control of Vicki's life, but she runs away, and the sheriff and mayor take action to protect Mystic Falls from further violence.
• Fringe "Dream Logic" (205). The Fringe division tries to decode dreams after going to Seattle to investigate a man's frightening visions that caused him to attack his boss; Broyles has a meeting with Nina Sharp.
• Supernatural "I Believe The Children Are Our Future" (506). Sam and Dean investigate a series of murders that echo fairy tales and urban legends. Their probe leads them to an 11-year-old boy who's able to make everything he believes come true. Castiel thinks the lad is a threat and wants him eliminated.
• Ghost Whisperer "Do Over" (504). Melinda goes to a hospital morgue that is being haunted by the ghost of a surgeon who is reliving a failed surgery.
• Smallville "Echo" (904). The Toyman (Chris Gautheir) crashes a Queen Industries party that Oliver is attending, and threatens to bomb the gala if Oliver doesn't admit he killed Lex. Meanwhile, Jor-El gives Clark the ability to hear what people are thinking.
• Medium "The Medium Is The Message" (604). Allison sees visions of mysterious symbols that could be the key to capturing a serial killer, but they may simply be consequences of her recent brain surgery, which leads her to unravel the truth behind them.
• Stargate Universe "Darkness" (104). When the Destiny's power reserves drop to a critical level, the crew is ordered to use power for essential services only, but the rationing isn't enough to keep Rush from announcing that all on board will die within days.
• Sanctuary "End Of Nights: Part 2" (202). Conclusion. The Cabal attacks sanctuaries across the world with Ashley transformed to support their cause. Tesla (Jonathon Young) and Henry try to devise a means to stop the onslaught without killing Ashley in the process.