Superman and Lois’ return to idyllic Smallville is set to be upended by mysterious strangers.

While celebrating their own freedom on Independence Day, Tully and Kate learn time and again that relying on each other may not be so bad after all.

From a double date in 1975 to Tully’s search for her father in 2004, Tully and Kate attempt to take charge of their futures — but fate has other plans.

Lonely bachelor Phil finds meaningful human connection when he discovers a telepathic link to a stranger named Annie. Their connection quickly sparks a romance, but not everything is as it…

They say friendship isn’t one big thing, it’s a million little things; and that’s true for a group of friends from Boston who bond under unexpected circumstances. Some have achieved…

As an old friend visits Helen, a new mermaid arrives leaving Ryn questioning their motives. Maddie learns the truth behind Ian’s death, as Ben fights for his mother’s treatments. While…

Ben and Xander are left dealing with a shocking discovery about Chris and his connection to the military. Meanwhile, Helen and Maddie reluctantly seek help from the hybrids as the…

Mermaids and humans join forces in a radical plan to stop the oil company, but their efforts have a devastating effect. And facing an uncertain future, Ben, Maddie and Ryn…

With Elaine Pownall’s health worsening, she seeks treatment from the military’s medical trial using mermaid cells, but the procedure doesn’t come without side effects to the mermaids. Meanwhile, Helen and…

As a conspiracy theorist questions Dr. Neil Melendez’s diagnosis, Dr. Claire Brown treats a woman whose inability to feel pain is threatening both her marriage and her life. Meanwhile, Dr….

Diaz targets Team Arrow and their loved ones. Oliver struggles with Felicity putting herself in danger when she gets the chance to stop Diaz for good.