With only a half-hour to go, both Barney and Robin have panic attacks about their upcoming nuptials. Meanwhile, Marshall and Lily rewrite their old wedding vows. Wayne Brady and Ben Vereen guest star. (TV-14 D, L)
The stars will perform for the first time with their professional partners.
Ryan Hardy comes one step closer to Joe Carroll.
Caroline tries to fit in with Max and the diner gang as they go out to get wild and crazy at the St. Patrick's Day parade, but finds herself longing to practice her former holiday traditions at the Plaza Hotel. (TV-14 D, L)
As Riley and Gabriel track an infamous hacker, they learn the suspect may have been set up and a sinister group may be planning a nuclear attack.
Following Slade’s return and his promise to make good on his threat to destroy Oliver’s loved ones, Oliver focuses all his energy on preparing for battle with his former friend.
When Stefan tries to explain recent events to a very sick Elena, her first instinct is to call Damon. While going through Dr. Wes' files, Caroline discovers a frightening secret.
Stephen stumbles upon a clue that the Tomorrow People have been desperately searching for. John and Russell learn of a dangerous plan that Jedikiah has in the works.
While chasing a cyber-terrorist, Liz investigates Jolene's disappearance.
Adam, Shakira, Usher and Blake review the most memorable battle performances from the first week of head-to-head duets.
Alicia enlists Cary as her lawyer when Nelson Dubeck approaches her to participate in a deposition regarding his investigation into election rigging. Meanwhile, Will continues the difficult defense of Jeffrey Grant as he faces off against a new prosecutor who proves to be a formidable adversary. Matthew Goode and Eric Bogosian guest star. (TV-14 L, V)
A new revelation forces Dylan to question his loyalty to Norma and Norman. Christine brings Norma into the White Pine social scene.
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Bellamy wants to have Jacob's tomb exhumed; Pastor Tom reaches out to a childhood friend; Caleb claims he can't remember his death.
As Emily's blackouts grow increasingly violent, her only hope lies with the person she betrayed most, while Victoria makes a drastic move to deal with someone from her past.
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