8 p.m. on 6, “Undercover Boss” — Note to employees: Watch your attitude, because you never know who’s watching. Just ask the ornery Buffets Inc. dishwasher whose new co-worker turns out to be none other than Anthony Wedo, CEO of the restaurant chain. Wedo actually breaks his cover to deal with the unpleasant employee, so you know this is serious.

9 p.m. on 5 8, “Grimm” — Nick and Hank (David Giuntoli, Russell Hornsby) investigate a cop killer with a grisly M.O. — taking his victims’ scalps — in this new episode. Juliette (Bitsie Tulloch) starts an email correspondence with Nick’s mother, while Monroe and Rosalee (Silas Weir Mitchell, Bree Turner) get an earlier-than-expected visit from Monroe’s parents (Dee Wallace, Chris Mulkey). Adalind (Claire Coffee) learns her baby’s arrival will also be early in “The Wild Hunt.”

9 p.m. on 6, “Hawaii Five-0” — The body of a girl kidnapped 10 years earlier resurfaces, sending Five-0 on the hunt for her abductors, who have taken another victim. Kono (Grace Park) asks Catherine (Michelle Borth) for a favor that could have negative consequences for her relationship with Adam (Ian Anthony Dale) in “Ho’ opio” — Hawaiian for “to take captive.”

9 p.m. on STARZ, Movie: “This Is the End” — If you’ve ever wondered how Seth Rogen, Jonah Hill, James Franco and some of their showbiz pals might react to the apocalypse, this raunchy-funny 2013 expansion of a short subject is your answer. Playing same-named variations of themselves, they take refuge at Franco’s house as Los Angeles faces doom. Danny McBride, Jay Baruchel, Michael Cera, Craig Robinson (“The Office”) and Emma Watson are included.

10:01 p.m. on 5 8, “Dracula” — A public demonstration of Grayson’s (Jonathan Rhys Meyers) technology has a disastrous outcome. Lucy (Katie McGrath) joins the ranks of the undead. Van Helsing (Thomas Kretschmann) seeks revenge against Mr. Browning (Ben Miles). Lady Jayne’s (Victoria Smurfit) efforts to rid London of vampires culminate in an epic battle with Grayson. Mina (Jessica De Gouw) learns the secret of Grayson’s obsessive love in the new episode “Let There Be Light.”