Abed plans an epic going-away party as Troy prepares to leave Greendale; a fun game transforms into a high-stakes competition.

TV host and journalist Rachel Maddow; from "Her", director and writer Spike Jonze; musical guests No Age.

Sarah starts a project with Hank; Kristina takes on her new role as community counselor; Crosby finds mold in the house; Joel and Julia try to explain recent events to the kids.

Leslie fights with Ben over questionable sales techniques at the local farmers market. Ann searches for a way to vent about the annoying aspects of pregnancy, while April supports Andy in a new creative venture.

When Mary and Bash are captured and forced to return to the castle, they discover Catherine waiting and even more determined to keep Mary and Francis apart. Francis learns of the prophecy, but his determination to wed Mary changes everything: in love in politics, tearing the bond of brothers apart, and hardening Catherine's resolve to destroy Mary at any cost.

Alex is surprised twice in one night – first when she realizes she's been tricked into a blind double date, and again when she has to rush her mystery man to the ER. Meanwhile, Charlie works to help a soldier move past a traumatic experience, and Maggie discovers a patient has a contagious illness that could put her pregnancy at risk.

Riots break out in the Ukraine, Tim Wu weighs in on net neutrality, China bootlegs The Report, and Patricia Churchland discusses "Touching a Nerve."

From "Raising Hope", actress Martha Plimpton; musical guest Sarah Jarosz.

As she faces a new crisis, Katherine remembers the traumatic night in 1490 when she gave birth to the daughter who was immediately taken from her. Stefan lets Elena, Caroline and Bonnie know that Katherine’s health has taken a turn for the worse, while Damon Matt and Jeremy discuss some of Katherine’s most notorious moments. Nadia comes up with a frightening plan to protect her mother, and Stefan and Elena are forced to help her. Meanwhile, Caroline is mortified when she realizes she forgot to fill Elena in on the latest shocking gossip, then indulges in a little scandalous behavior of her own. Finally, Elena and Katherine share an unexpected moment of connection.

When a corporate espionage case has personal ties to Neal, Peter recruits Diana from maternity leave for an undercover sting on a rogue stock trader.