Nikita tries to right a past wrong when she posed as a nanny for a government official who ended up dead. Michael comes to Nikita’s aid during her quest, and also begins to question Percy’s motives. Meanwhile, Amanda forces Alex to deal with her claustrophobia after she has a panic attack.
The story alternates to the Fringe Team “over here” where they investigate a mystifying case that people are discovered in a trance-like state that ultimately leads to their death. The unlikely suspect: a mysterious box. As Peter and Walter collaborate to study its properties, alternate Olivia presses on and turns up the heat on an unsuspecting Peter. Meanwhile, key information about the future is revealed when Walter and Nina meet at Massive Dynamic for the emotional reading of the last will and testament of William Bell.
When Liz Lemon is surprised that more men have been noticing her, Jenna explains that she is coming off as more confident because of her new relationship. In turn, she uses her confidence to solve Pete’s problem with a persnickety editor. Meanwhile, Jack decides he must cheat mortality in order to teach his and Avery’s unborn son how to live. Elsewhere, Tracy is determined to be there when his wife gives birth, and a mystery man is making sure Kenneth’s work at “TGS” is still getting done.
Stefan takes drastic measures to find out the real reason Katherine has returned to Mystic Falls, and is shocked when she reveals new secrets about what really happened in 1864. Damon tries a new tactic to resolve his issues with Mason, but it proves costly. Tyler pushes Mason to tell him the truth about the Lockwoods. Finally, when Katherine delivers an ultimatum, Stefan and Elena are left with very few options.
When the remains of a couple are discovered in a cave at National Park, the team must piece together the identity of the man and the woman as well as solve the crime. After interrogating two viable suspects, the team identifies the woman as a marketing executive who also served as her partner’s AA sponsor, providing clues that lead them to expose the truth. Meanwhile, Booth’s girlfriend and Afghanistan war correspondent, Hannah Burley, makes a surprise visit.
Sheldon realizes he won’t live long enough to download his consciousness into a robot body, and attempts to extend his lifespan.
When Jeff Winger runs into his former law firm colleague Alan Connor, the two re-connect and Jeff finds himself returning to some of his evil ways of late night partying and expensive suits. Alan takes Jeff to a law firm event to see his former boss, Ted, and the study group shows up to “rescue” him. While Annie, Abed and Troy sneak into the offices to rescue” him. While Annie, Abed and Troy sneak into the offices to gather dirt on Alan, Jeff watches in horror as Pierce, Britta and Shirley are corrupted by the lawyers.
The story follows the adventures of Aang, a young successor to a long line of Avatars, who must put his childhood ways aside and stop the Fire Nation from enslaving the Water, Earth and Air nations.
Jules has trouble coping when Travis gets set to leave for college, Laurie teaches Bobby how to use the internet on his “new” laptop, and Andy hatches an elaborate plan to deceive Ellie with the help of Grayson.
In honor of her late grandmother, Gloria decides to cook more traditional Colombian meals, which is met with some ribbing from Jay — but see who gets the last laugh. Meanwhile Claire finds herself becoming the overbearing mom when she finds out Alex likes a boy, and Haley’s idea of sisterly advice is not helping matters; and Mitchell and Cameron have a tiff over Mitchell’s freakish aversion to PDA.