The fate of Beacon Hills hangs in the balance as Scott and his pack face off against Douglas in a final showdown.
The Gems reach a space station that once belonged to Pink Diamond, and sneak in to rescue Greg, but in order to do so, they must play the roles they were made for, so as not to arouse suspicion.
With a search warrant in hand, the Sheriff's Office gears up to serve the warrant and search Tommy's home.
A friend and fellow designer who's expecting a baby enlists Chip and Joanna to renovate her family home before the due date.
Finn hears a mysterious song while judging a Battle of the Bands.
The teams work to create angel and devil characters in the first elimination challenge of the season.
The Pembertons return to their country club to restore their family reputation, but Mickey gets into a fight with the phony country club ladies and Chip has been demoted from the champion golf foursome.
Daphne and Bay are so enthralled with China that they stay longer than anticipated, but after months, they get an emergency call and drop everything to return home. Once there, Daphne tries to integrate herself back into campus life but finds that things have changed without her. Bay is mixed up about her feelings towards Emmett who is struggling with his own problems. Meanwhile, Kathryn and John quarrel over her job and Regina feels guilty about a secret tryst.
The Legends are determined to find and rescue Rip, but first must focus on locating the Spear of Destiny. Stein thinks he has the perfect person to help but knows involving her will be risky. Meanwhile, Malcom Merlyn and Damien Darhk realize that Thawne is pitting them against each other.
H.R.'s past catches up with him when a bounty hunter with vibe powers named Gypsy arrives in Central City to bring him back to Earth- to stand trial for his crime. It turns out inter-dimensional travel is illegal on their Earth. H.R. surrenders but when Barry and Cisco find out that H.R.s only hope would be to challenge Gypsy to a fight to the death, they intercede and Cisco offers to fight Gypsy instead.
Agents Sam and Billy Koenig are hunted down to get at the Darkhold book, and only Coulson and the team can save them before the clock ticks out.
An interview with a fiery reality star makes Mary Jane a social media sensation. Things rapidly heat up with Lee.
Now that the experiment is almost half way through, the experts visit all of the experimental couples in order to check in and deliver some surprising news.
Gary's team fights to upright a battered trailer that is dangerously close to splitting open a rookie takes his first shot as lead operator on the rotator under tough conditions.
Johnny and Moira worry about the future of the motel and David panics at the thought of retaking his driving test.
Rick and Marty decide to dig a third hole at the Money Pit after Rick finds even more evidence connecting Oak Island to the Knights Templar.
In the aftermath of Jesus fight with Nick over Mariana, Jesus is knocked out. On the way to the hospital, things take a turn for the worse, leaving him fighting for his life. Meanwhile, Callie finds herself in a dangerous situation after taking a ride with Troy and Mariana is guilt-ridden over the fact that her actions led to Jesus current condition.
Dark matter is the biggest mystery of the cosmos. Scientists know that it has been vital to the universe since its birth, new discoveries reveal that it could create black holes, cause mass extinctions, and might even have helped to shape life on the Earth. Might there be a dark matter universe that may account for all the events that aren't really definable? This is all pure speculation and if's.
Mrs. Adler moves into a tiny house with her husband. Ms. Cannon's jewelry shop goes under and Ms. Watson and Ms. Snap try to boost her spirits. Ms. Feldman fakes a lesson and Ms. Bennigan struggles with a student.
When a tutor of privileged students turns up dead, the team sorts through all the possible perpetrators, from disgruntled parents to the tutor's roommate with a criminal record. Meanwhile, Bones is frustrated with the voice of her audio book and tries to prove that she can record it herself.