The CW has released the plot descriptions for the return of Supergirl, The Flash and Arrow.
Black Lightning also airs Tuesdays following The Flash starting Jan 16.
Legends of Tomorrow returns to Monday nights and will rotate with new episodes of Supergirl starting Feb. 12.
Supergirl – “Legion of Superheroes” (January 15th)
MEET THE LEGION – Struggling to heal from her injuries inflicted by Reign (Odette Annable), Supergirl (Melissa Benoist) remains in a dreamlike state, unable to be reached. Mon-El (Chris Wood) recruits one of the Legion members, Brainiac-5 (guest star Jesse Rath), to try to bring her back. Meanwhile, Reign continues her rampage on the city so the DEO teams up with the Legion of Superheroes to try to stop her. Jesse Warn directed the episode written by Derek Simon & Eric Carrasco.
The Flash – “The Trial Of The Flash” (January 16th)
BARRY FIGHTS FOR HIS LIFE — As Barry’s (Grant Gustin) trial for the murder of Clifford DeVoe begins, Iris (Candice Patton) and Joe (Jesse L. Martin) must decide how far they are willing to go to keep Barry out of prison. Philip Chipera directed the episode written by Lauren Certo & Kristen Kim.
Arrow – “Divided” (January 18th)
OLIVER DISCOVERS A SHOCKING TRUTH ABOUT CAYDEN JAMES — Despite losing half his team, Oliver (Stephen Amell) remains confident that he, Felicity (Emily Bett Rickards) and Diggle (David Ramsey) can stop Cayden James (guest star Michael Emerson) and Black Siren (Katie Cassidy). However, when he discovers one of Cayden’s secrets, he decides to team up with an unlikely ally. Meanwhile, Dinah (Juliana Harkavy) spends time with Vince (guest star Johann Urb). James Bamford directed the episode written by Ben Sokolowski & Emilio Ortega Aldrich.