Masturbation turns out to be Otis’s secret talent, but can he master his unruly desires for Ola? A chlamydia outbreak distracts the student body.

Brilliant physicist roommates Leonard and Sheldon meet their new neighbor Penny, who begins showing them that as much as they know about science, they know little about actual living.

Worlds lived, worlds died. Nothing will ever be the same.

Stuck in the Vanishing Point, the Paragons search for a way to escape. The futility of the situation is compounded by The Flash’s disappearance. However, hope appears in the form of Oliver, who reveals that he has become something else. Meanwhile, the origin stories for The Monitor and Anti-Monitor are revealed.

A terrifying plan to destroy humanity is about to reach fruition. Can the Doctor and her companions escape multiple traps and defeat a deadly alliance?

As residents across Riverdale begin receiving more mysterious videotapes on their doorsteps, the seniors of Riverdale High eagerly await their college decision letters. Concerned that the stress may be getting to them, Mrs. Burble, the school’s guidance counselor, meets with Betty, Archie, Veronica, Cheryl and Jughead to discuss what’s plaguing them.

Archie’s plan to host a peaceful Thanksgiving dinner at the community center quickly gets derailed when some unexpected guests arrive. Stranded at Stonewall Prep by an ice storm, Jughead and Betty search for clues about a recent death on campus. Elsewhere, while FP, Alice, Hiram and Hermione wait out the storm together at Pop’s, Cheryl and Toni get resourceful as they host a dinner for Cheryl’s family.