Erica works with new allies to uncover a biological threat they suspect the Visitors have been plotting. Aboard the mothership, Anna meets with a special guest, while managing the investigation into the murder of a V. Chad does a segment on the V Healing Centers demonstrating their amazing medical abilities, but finds himself conflicted by some of his findings.
When a murdered man is found stuffed in the garbage chute of an apartment building and two women arrive to ID his body — one his wife and the other his fiancee — Castle and Beckett have their hands full keeping the women from killing each other as they work to peel back the layers of the victim’s double life. Was it a jilted woman, corporate espionage, or a much darker secret that led to his demise?
H.R.G. hosts an untraditional Thanksgiving dinner. Elsewhere, the Petrelli family gets a surprise guest at their table. Meanwhile, Samuel continues to hold Hiro hostage, as Lydia goes in search for the truth.
Barney freaks out when Marshall bequeaths a “slap bet” slap to Ted and Robin. Meanwhile, Lily’s estranged father shows up for Thanksgiving.
Just before Christmas, Cal is sent to Afghanistan to interrogate an American soldier-turned-traitor in hopes of learning the whereabouts of two American marines captured by the Taliban.
When an expensive portrait is stolen from a young woman, Peter and Neal set a sting for the cunning and deadly culprit. Neal must uncover the secret truth of the portrait’s origin even as the net tightens around the villain … and around Neal himself!
Aboard Destiny, Dr. Rush supervises the exploration of new areas of the ship. Looking for resources to make their everyday lives easier, the crew stumbles upon a piece of Ancient technology that carries the promise of a way home. While somewhat familiar with the find, Dr. Rush can’t guarantee the safety of using it, bringing him and Col. Young to a standoff on what to do.
The CBI team is faced with a violent and shocking crime in their own office, but must work the case in spite of their alarm of who may be behind it. Meanwhile, Rigsby and Van Pelt are definitely an “item”.
Jeff is tasked with telling Senor Chang that he assigns an unreasonable amount of homework. Troy and Abed lose their subject for a biology lab experiment.
A peculiar abduction occurs in Boston, leading the Fringe team to uncover details of the mysterious man known as The Observer. While the bizarre case takes center stage, Walter, Peter and Astrid hit the lab to analyze unusual evidence and deal with Walter’s insatiable appetite for milkshakes.