This week's Arrow opens up the DC Universe a little wider with the Suicide Squad—and we're excited to see what happens. Plus, the Community crew is playing another game of Dungeons & Dragons, The CW premieres a new post-apocalyptic TV show, and Adventure Time remembers Billy in its season finale. Check out all the details and clips below!
Adventure Time (7 PM, Cartoon Network)
Tonight is Adventure Time's fifth season finale (sob) and it surrounds Billy's (sob) bucket list. Finn finds the list of everything Billy hoped to do before he died, and decides to complete it as a final tribute to the fallen hero.
Bitten (8 PM, Syfy)
Elena's two worlds collide in the form of Clay and Philip while she faces the horrors of her past.
Star-Crossed (8 PM, The CW)
What happens when Drake mistakes the school's queen bee for an undercover Atrian militant?
When Gloria (guest star Victoria Platt) tells the Atrian Seven they are allowed to spend some time outside their sector, Roman (Matt Lanter) sees it as an opportunity to further investigate his father's mysterious past and makes a stunning discovery. Emery (Aimee Teegarden) and Grayson (Grey Damon) go out on a date, but their night is ruined after Eric (guest star Jesse Luken) calls Grayson for help and ends up putting everyone in danger. Drake (Greg Finley) mistakes Taylor (Natalie Hall) for an undercover Trag, and Lukas (Titus Makin, Jr.) makes his move on Sophia (Brina Palencia). Meanwhile, Teri (Chelsea Gilligan) tries to take over Drake's mission.
Steven Universe (8 PM, Cartoon Network)
Onion and Steven have a toy trade that escalates to epic proportions.
Being Human (9 PM, Syfy)
As we hurtle toward the show's final episode, Aidan struggles to keep his promise to Suzanna while Sally struggles with her feelings for Aidan. And Josh learns that some heavy responsibilities come with being leader of the pack.
And now for a brief musical interlude, courtesy of the Shangri-Las:
The Tomorrow People (9 PM, The CW)
What happens when a break-out plays superhero?
Stephen (Robbie Amell) is still walking a fine line with his Ultra partner Hillary (guest star Alexa Vega), who continues to be suspicious of his loyalties. When the Tomorrow People and Ultra learn that there is a new break-out doing good for humans, they both want her on their side. Meanwhile, Morgan (guest star Carly Pope) takes a risk and betrays Jedikiah's (Mark Pellegrino) trust to help the Tomorrow People, but what Jedikiah discovers from Morgan is an even bigger surprise.
Archer (10 PM, FX)
Archer, Ray, and Cyril raft down a crocodile-filled river while Lana and Pam plan a spa day for Malory. I'd rather take my chances with the crocodiles.
Intelligence (10 PM, CBS)
Gabriel chasing down a coder of cyberworms sounds like a particularly terrible plan. Maybe pick an agent who doesn't have a hackable brain?
When Gabriel and Riley search for an infamous hacker known to create cyberworms, they learn their suspect could have been set up and a much more sinister group has plans to target a nuclear reactor in California.
Lost Girl (10 PM, Syfy)
Bo retraces the steps that could lead to her destiny while Kenzi signs everyone up for an undercover mission at a mysterious corporation.
Teen Wolf (10 PM, MTV)
Banshee Lydia screams in the promo for tonight's episode. So who is going to die?
Rick and Morty (10:30 PM, Adult Swim)
Tonight's episode, in which Rick upgrades the family cable box so that it receives television from every reality, was released early on Instagram in 15-second chunks. Or you could watch it all in one go below:
The Originals (8 PM, The CW)
A beautiful, powerful stranger offering to help Elijah? Nope, there is no way that this could go wrong.
After accusing Klaus (Joseph Morgan) of doing nothing while their control over the Quarter crumbles, Elijah (Daniel Gillies) makes a move to take matters into his own hands. He receives an intriguing offer of support from Francesca (guest star Peta Sergeant), a beautiful woman from a powerful New Orleans family. In an attempt to bring the warring factions of the city together, the Mikaelsons throw an extravagant party, where Klaus offers Jackson (guest star Nathan Parsons) a tempting deal, Elijah and Hayely share a dance, and a violent fight comes to a surprising end. Finally, even as Marcel (Charles Michael Davis) works on a new path to power, he continues to help Cami (Leah Pipes) deal with her Uncle Kieran's tragedy (guest star Todd Stashwick).
From Dusk Till Dawn (9 PM, El Rey)
In "Blood Runs Thick," the Gecko Brothers flee the scene, but find someone hot on their tail.
Supernatural (9 PM, The CW)
Dean and Sam have faced down all sorts of strange characters in their years on the road. This week, they'll encounter Nicole "Snooki" Polizzi, who has a cameo. Are the demons hanging out on the Jersey Shore?
Dean (Jensen Ackles) is frustrated when he can't reach Crowley (Mark Sheppard), who has promised to find The First Blade. When Crowley finally calls Sam (Jared Padalecki) and Dean, he tells them he fell off the wagon and has been injecting human blood and needs their help. To make matters worse, he had a demon (guest star Rebecca Marshall) helping him find blood, but she sold him out and told Abaddon that he and the Winchesters were searching for The First Blade. The brothers need to find the blade before Abaddon does, so they enlist the help of a former member of the Men of Letters (guest star Kavan Smith).
Person of Interest (10 PM, CBS)
The Machine assigns Root to seek out a janitor with a mysterious past, but when her very presence puts his life in danger, Finch also receives his number.
Teen Titans Go! (7:30 PM, Cartoon Network)
Cyborg is sick of being the only Titan without a sidekick pal, so he adopts Brother Blood's henchman, PainBot. But once Cyborg sneaks PainBot into the tower, he'll need to keep PainBot from hurting the other Titans.
Arrow (8 PM, The CW)
The Suicide Squad is headed on its first mission:
Following Slade's (Manu Bennett) return and his promise to make good on his threat to destroy Oliver's (Stephen Amell) loved ones, Oliver focuses all his energy on preparing for battle with his former friend. Sarah (Caity Lotz) tries to help but, fearing for her safety, Oliver pushes her away. Meanwhile, Diggle (David Ramsey) is recruited by Amanda Waller (guest star Cynthia Addai-Robinson) and A.R.G.U.S. to stop a warlord (guest star Lee Majdoub) he knew from his time in Afghanistan. Always the solider, Diggle agrees to help. However, he's not prepared when Amanda introduces him to the rest of the team - Deadshot (guest star Michael Rowe), Bronze Tiger (guest star Michael Jai White) and Shrapnel (guest star Sean Maher), all criminals he and Arrow helped put away. Lyla (guest star Audrey Marie Anderson) defends the team and explains the world is a complicated place, but Diggle isn't sure he agrees. When the mission takes a dangerous turn, Diggle is forced to make a difficult decision.
The 100 (9 PM, The CW)
This week, the CW launches a new series about 100 juvenile prisoners exiled from their space station home to test the habitability of a post-cataclysmic Earth:
Ninety-seven years ago, nuclear Armageddon decimated planet Earth, destroying civilization. The only survivors were the 400 inhabitants of 12 international space stations that were in orbit at the time. Three generations have been born in space, the survivors now number 4,000, and resources are running out on their dying "Ark." Among the 100 young exiles are Clarke (newcomer Eliza Taylor), the bright teenage daughter of the Ark's chief medical officer; the daredevil Finn (Thomas McDonell, "Suburgatory"); the brother/sister duo of Bellamy (newcomer Bob Morely) and Octavia (Marie Avgeropoulos, "50/50"), whose illegal sibling status has always led them to flaunt the rules, the lighthearted Jasper (Devon Bostick, "Diary of a Wimpy Kid: Rodrick Rules") and the resourceful Monty (Christopher Larkin, "Squad 85"). Technologically blind to what's happening on the planet below them, the Ark's leaders - Clarke's widowed mother, Abby (Paige Turco, "Person of Interest," "Damages"); Chancellor Jaha (Isaiah Washington ("Blue Caprice," "Grey's Anatomy"); and his shadowy second in command, Kane (Henry Ian Cusick, "Scandal," "Lost") - are faced with difficult decisions about life, death and the continued existence of the human race.
Community (8 PM, NBC)
It's another Dungeons & Dragons episode! Huzzah!
Professor Hickey (guest star Jonathan Banks) reveals that his estranged son Hank (guest star David Cross, "Arrested Development") did not invite him to his grandson's birthday. The group decides to help father and son reunite through a rousing game of "Dungeons and Dragons."
Once Upon a Time in Wonderland (8 PM, ABC)
Barbara Hershey is back as Cora, Wonderland's Queen of Hearts:
Alice and Cyrus discover alarming information involving prisoners Jafar has under his control and changes their priorities. Meanwhile, the Red Queen is in critical danger and no one can help her except the Knave by surrendering information to Jafar that he's been desperately seeking. In flashback, Anastasia is about to marry the King and strikes up a friendship with Cora that directly impacts Will. Cora also confronts Will resulting with him asking her for a shocking demand.
The Vampire Diaries (8 PM, The CW)
There's going to be another reveal about doppelgängers? Of course there is:
When Stefan (Paul Wesley) tries to explain recent events to a very sick Elena (Nina Dobrev), her first instinct is to call Damon (Ian Somerhalder). At the same time, Damon is trying to figure out how to make a disturbing confession to Elena. While going through Dr. Wes' files, Caroline (Candice Accola) discovers a frightening secret, and is surprised when Enzo (guest star Michael Malarkey) appears, claiming to have the solution everyone is searching for. At Enzo's insistence, Caroline asks Stefan to meet her at a mysterious location where they are joined by a group of Travelers, including Sloan (guest star Caitlin McHugh), who reveals new information on the importance of doppelgangers. During spring break on a mostly deserted Whitmore campus, Elena runs into Luke (guest star Chris Brochu), a student who seems to know her, though she has no memory of meeting him. Recently dumped by his boyfriend, Luke proposes that he and Elena spend the break getting drunk together, but she sends him off on an urgent mission to find Bonnie (Kat Graham) and the "newbie" witch, Liv (guest star Penelope Mitchell). Damon finally tells Elena the truth about his recent activities, and they come to a new agreement about their relationship.
Vikings (10 PM, History Channel)
Will a conqueror and king be able to come to a mutually beneficial agreement?
A meeting between two great men may pave the way for future compromise as Ragnar and Ecbert come face to face. Jarl Borg now rules Kattegat and with an iron fist and Rollo must now become the leader his people need in Ragnar's absence.
Grimm (9 PM, NBC)
So…carnival performers are Wesen? I sort of hope not, just because it seems like low-hanging fruit.
A double homicide leads Nick (David Giuntoli) and Hank (Russell Hornsby) to a traveling carnival where the performers are not what they seem. To get a better understanding of what's going on behind the scenes Monroe (Silas Weir Mitchell) and Rosalee (Bree Turner) go undercover. On the wedding front, Monroe has a really important question for Nick. In Austria, an invaluable member of the Resistance makes the ultimate sacrifice to help Adalind (Claire Coffee).
Helix (10 PM, Syfy)
In this season's penultimate episode, the Scythe wages war on the base survivors while Hatake faces on impossible choice.
Da Vinci's Demons (9 PM, Starz)
How does Leonardo end up in the New World? His path overseas starts in the Season Two premiere:
Chaos erupts as the Pazzis strike and Leonardo da Vinci is forced to gamble for the future of Florence. Meanwhile, Riario races ahead in his own quest for the Book of Leaves.
Space Dandy (11:30 PM, Adult Swim)
This week's episode is titled, "Nobody Knows the Chameleon Alien, Baby."
Once Upon a Time (8 PM, ABC)
This week's episode is called "The Tower"—and we'll be meeting that most famous fairytale tower dweller, Rapunzel.
Resurrection (9 PM, ABC)
What links the people who have returned?
Exhuming Jacob's grave only deepens the mystery of his return. Henry struggles to accept that Jacob is really the son he lost 30 years ago. Bellamy and Maggie search for a connection between Jacob and Caleb's deaths and wonder if the local river may hold a clue. Their digging also unearths Caleb's criminal past - he robbed the bank his daughter Elaine works at just days before his death. Pastor Tom's life is changed forever by a shocking turn of events.
The Walking Dead (9 PM, AMC)
For some of our survivors, faith becomes a tool for staying alive.
Believe (9 PM, NBC)
There will certainly be the opportunity for some striking visuals when Believe travels to New York, but will it provide a too-sugary view of the city?
Trapped in Manhattan, Bo (Johnny Sequoyah) and Tate (Jake McLaughlin) encounter a wealthy woman (guest star Shohreh Aghdashloo) mourning the decades-old loss of her son.