What to Watch: Thurs, October 25

The original cast members of Shrek - Mike Myers, Cameron Diaz and Antonio Banderas  - all lend their voices to this Halloween special

Scared Shrekless
6:59 p.m., Teletoon
Original cast members Mike Myers, Cameron Diaz and Antonio Banderas all lend their voices to this Halloween special, in which the gang is challenged to spend the night in Lord Farquaad’s haunted castle telling scary stories, with the last one left inside at the end of the night crowned the winner.

Covert Affairs
7 p.m. & 10 p.m., Showcase
While vacationing together on the Red Sea, Auggie and his girlfriend are abducted by pirates, which forces him to reveal that he’s a CIA agent. Meanwhile, Annie teams up with Lena and Joan to launch a rescue mission.

Jersey Shore
7 p.m. & 10 p.m., MTV Canada
It’s a good thing that MTV decided to pull the plug, because this season, featuring a pregnant Snooki and a sober Situation, kind of highlights how dull these people actually are when they’re not screaming at each other like lunatics or getting completely hammered at nightclubs.

The Nature of Things
8 p.m., CBC
Tonight the focus turns to a study in which psychologists reveal what babies might really be thinking. We’ll go out on a limb here and predict “food” might be high on that list followed quickly by “What is that?”

The Vampire Diaries
8 p.m., CTV2 & The CW
Dr. Fell assists Damon and Klaus in questioning Connor, who has been trying to expose the secrets of Mystic Falls. Meanwhile, as Elena struggles with her return to high school, Stefan tries to show her that undead life can still be fun.

Two and a Half Men
8:31 p.m., CTV & CBS
When Rose (Melanie Lynskey) returns to Malibu, Walden ignores Alan’s warnings and decides to go on a date with her.

Undercover Boss Canada
9 p.m., W
PJ’s Pets president Margaret Kordas may find out that things are far from “purrr-fect” and can get a little “ruff” (sorry) when she dons a disguise to go undercover in one of her stores, where she’s forced to overcome her lifelong phobia of spiders.

Animal Practice
9:31 p.m., Global
In case you missed this episode when it aired yesterday on NBC, here’s a second chance to ignore it.