Topher races to reconstruct Echo’s original personality and memories when Adelle realizes they are the key to averting a devastating future. Meanwhile, Echo and Bennett’s shared past and the identity…

After her entanglements with Senator Perrin and the DC Dollhouse, Echo finds herself out in the world-at-large as she struggles to control her multiple memory downloads. Topher discovers the dangers…

A deadly virus outbreak on a college campus sends Echo back to school where pieces of her past come into focus.

Don and the team investigate a suspicious death at a horse track. When Charlie starts looking into the crime, he uncovers something that will send the investigation into an entirely…

Fran goes out with the new temple cantor, Gary. When Mr. Sheffield listens him singing, he hires him to be on his next play. He quickly promotes the cantor to…

Frederick wins the National Spelling Bee, but the judges find that Frasier was mouthing the letters of the words during the competition.

Holmes and Watson have plenty of suspects when they investigate the murder of a man who led a secret life as a vigilante, “catfishing” sexual predators on dating sites and…

The investigation of a student’s killing leads to a case involving meat contamination at a food service.

Halloween night finds the ER awash with allergic or otherwise incapacitated children. Kerry tolerates a visiting candidate for chief while she waits for the official vote. Romano operates on an…

The investigation of a gymnast’s murder involves her strict trainer, a wealthy benefactor and a competitor.

Gibbs and the NCIS team have to find answers regarding Tony’s months-long assignment when an NCIS agent is found dead.

Season Finale. Pieces fall into place.