"Legends of Tomorrow" Season 2 Episode 13 might feature dinosaurs since the episode is aptly called "Land of the Lost."
Lagertha faces her ultimate death in the hands of Aslaug's sons in "Vikings" Season 4, after she took back Kattegat from Aslaug.
President Kirkman is likely alive and Emily's life is in danger when the "Designated Survivor" returns for its midseason premiere/
"The 100" Season 4 trailer revealed what happens to humanity with the nuclear plant meltdown.
"The Flash" Season 3 adds actress Jessica Camacho to play Gypsy in one of the midseason episodes of the instalment.
Daisy Ridley hints that the story in "Star Wars: Episode 8" will focus on Rey becoming a Jedi.
In "Vikings" Season 4 Episode 14, Ivar the Boneless and Ragnar Lothbrok are taken as captives in Wessex and Ragnar makes a business deal with King Exbert.
Klaus and Hayley will reunite in the "Originals" Season 4 for the sake of their daughter Hope.
Recent spoilers for "Blindspot" Season 2 reveal that Sandstorm's new mole is disguised as an innocent person, which puts Patterson and Zapata as suspects.
"Lucifer" Season 2 showrunner Ildy Modrovich hinted that Chloe Decker could be an angel since she is special.
Ivar the Boneless and Ragnar Lothbrok will not split in "Vikings" Season 4B despite their different views on Christianity.
Felicity Smoak is skeptic and suspicious about Laurel Lance's return in "Arrow" Season 5 Episode 10.
The midseason episodes of "Timeless" might see Flynn kill Lucy as soon as he realizes that he cannot ally with her and thinks of her as collateral damage.
In "The Flash" Season 3 Episode 10, H.R. Wells celebrates the opening of S.T.A.R. Labs Museum and Barry scolds Wally West for disobeying his orders even after he succeeded in putting a criminal in Iron Heights.
Fans are disappointed and heartbroken over the "Marco Polo" cancellation, while others thought the series did not deserve a renewal.