The top 7 shows on Netflix and other streaming services this week

Average demand expressions: 31,112,745

Description: "After answering a distress signal from the U.S.S. Enterprise, season two of Star Trek: Discovery finds the crew of the U.S.S. Discovery joining forces with Captain Christopher Pike on a new mission to investigate seven mysterious red signals and the appearance of an unknown being called the Red Angel. While the crew must work together to unravel their meaning and origin, Michael Burnham is forced to face her past with the return of her estranged brother, Spock."

Rotten Tomatoes critic score (Season 2): 83%

What critics said: "Billed as the first part of a two-part season finale, "Such Sweet Sorrow" increased the drama a thousand-fold. This episode had me literally screaming "What's going to happen?!" and squirming in my seat." — Monique Jones, Slashfilm (Season 2)

Season 2 premiered on CBS All Access January 17.

Average demand expressions: 31,160,878

Description: "In equal parts high-concept thriller and coming-of-age drama, HANNA follows the journey of an extraordinary young girl raised in the forest, as she evades the relentless pursuit of an off-book CIA agent and tries to unearth the truth behind who she is."

Rotten Tomatoes critic score (Season 1): 63%

What critics said: "The rare intelligent action thriller that subverts storytelling tropes and surfs on its own ingenuity. In other scenes, that ingenuity gets lost in a mood board of decorative visuals that bloat its running time and hobble its pace." — Sophie Gilbert, The Atlantic

Season 1 premiered on Amazon Prime Video March 28.

Average demand expressions: 31,233,888

Description: "When a young boy vanishes, a small town uncovers a mystery involving secret experiments."

Rotten Tomatoes critic score (Season 2): 94%

What critics said: "When Stranger Things 2 digs into these characters, it tends to succeed." — Ben Travers, Indiewire

Season 3 drops July 4 on Netflix.

Average demand expressions: 32,781,172

Description: "TITANS follows young heroes from across the DC Universe as they come of age and find belonging in a gritty take on the classic Teen Titans franchise. Dick Grayson and Rachel Roth, a special young girl possessed by a strange darkness, get embroiled in a conspiracy that could bring Hell on Earth. Joining them along the way are the hot-headed Starfire and lovable Beast Boy. Together they become a surrogate family and team of heroes."

Rotten Tomatoes critic score (Season 1): 79%

What critics said: "Despite its flaws, 'Titans' is a true origin story makes it feel as if we are growing into the characters with them -- and that shows that this series has potential that shouldn't be ignored." — Trey Mangum, Shadow and Act

Season 1 premiered on DC Universe October 12. Season 2 premieres this fall.

Average demand expressions: 38,989,413

Description: "The Act is a seasonal anthology series that tells startling, stranger-than-fiction true crime stories. Season One follows Gypsy Blanchard (Joey King), a girl trying to escape the toxic relationship she has with her overprotective mother, Dee Dee (Patricia Arquette). Her quest for independence opens a Pandora's box of secrets, one that ultimately leads to murder."

Rotten Tomatoes critic score (Season 1): 91%

What critics said: "The Act never quite went too far for me, as it kept finding new angles on its very difficult-to-watch story." — Todd VanDerWerff, Vox

Season 1 premiered on Hulu March 20.

Average demand expressions: 50,212,873

Description: "It's a wicked world out there, and Sabrina is brewing up trouble. After signing her name in the Book of the Beast, Sabrina struggles to find the balance between her place in the mortal world and her new darker side. New challenges await Sabrina in Part 2, including having to choose between the familiar mortal Harvey Kinkle, and the sexy warlock Nicholas Scratch. She may have signed her name to the Dark Lord, but that doesn't mean she isn't willing to raise a little hell. Starring Kiernan Shipka."

Rotten Tomatoes critic score (Part 2): 79%

What critics said: "The show ricochets from near-perfectly pitched dark fantasy to rote considerations of normal life, only striking the right balance when it doesn't take itself too seriously, but it still has enough magic and wonder to enthrall." — Angelica Jade Bastién, Vulture

Part 2 premiered on Netflix April 5.