The Flash Season 5 (2018–2019) Review: Nora Allen and the Mystery of Cicada

The Flash Season 5 takes Barry Allen and Team Flash into one of their most personal battles yet. Instead of simply facing another speedster from the future, Barry and Iris are forced to deal with their daughter, Nora West-Allen, who has traveled back in time to meet her parents.

What begins as an exciting family reunion quickly becomes complicated when Nora's connection to a mysterious villain named Cicada puts the entire team in danger.

The season mixes superhero action with family drama, time travel, secrets, and the consequences of changing the future.

Warning: Major spoilers ahead.

Nora Comes From the Future

Season 5 begins with a huge revelation.

Barry and Iris discover that the mysterious young woman who has been helping them is actually Nora West-Allen, their daughter from the future.

Nora has inherited speedster abilities and has traveled back in time because she wants to spend time with her father.

For Barry, meeting his future daughter is incredible.

But Iris has a much more complicated reaction.

Nora explains that Barry disappeared from her life when she was young. This immediately raises questions about what happened to Barry in the future and why he wasn't around to raise his daughter.

Nora also has a complicated relationship with Iris, and the season gradually reveals that she has been hiding important information from her parents.

Cicada Arrives

While Barry and Nora are dealing with their family situation, Central City faces a new threat.

A mysterious man known as Cicada begins attacking metahumans.

Unlike previous villains, Cicada doesn't appear to be interested in ruling the city or simply defeating The Flash.

He wants to eliminate metahumans.

His ability to disable their powers makes him particularly dangerous, and his lightning-shaped weapon becomes one of his most recognizable features.

The team struggles to understand who Cicada is and why he has such hatred toward metahumans.

The Mystery Behind Cicada

The investigation eventually reveals that Cicada is actually Orlin Dwyer.

His hatred of metahumans comes from a deeply personal tragedy.

After the events surrounding the Enlightenment, Orlin is injured while protecting his niece, Grace.

Grace falls into a coma, and Orlin blames metahumans for what happened.

His anger grows into an obsession.

Instead of seeing individual metahumans as people, he begins seeing them as a threat that needs to be eliminated.

This makes Cicada different from many of The Flash's previous villains.

His motivation comes from grief and anger rather than simply wanting power.

Nora's Secret

Nora becomes increasingly important to the investigation.

However, she isn't being completely honest with Barry and the others.

She has been working with Eobard Thawne, the Reverse-Flash.

This revelation is shocking because Thawne is one of Barry's greatest enemies.

Nora claims that Thawne has been helping her understand her speed and her connection to the past.

But there is clearly more to the story.

Barry and Team Flash eventually discover that Nora has been manipulating events to help change the future.

Her actions are connected to a larger plan involving Cicada and Thawne.

Barry and Iris as Parents

One of the best parts of Season 5 is watching Barry and Iris deal with becoming parents.

They don't simply have to fight villains.

They have to figure out how to raise a daughter who already knows how their lives will turn out.

Barry is naturally excited about Nora, but he also becomes increasingly worried about her secrets.

Iris, meanwhile, struggles with the fact that Nora doesn't seem to trust her.

Their relationship becomes one of the season's emotional storylines.

The conflict shows that even superheroes can't avoid the difficulties that come with being parents.

Sherloque Wells

Season 5 also introduces another version of Harrison Wells: Sherloque Wells.

Sherloque is a detective from another Earth and quickly becomes suspicious of Nora.

His investigation helps Team Flash uncover pieces of Nora's secret.

Sherloque also adds plenty of comedy to the season.

His exaggerated personality and detective skills make him a fun addition to Team Flash, while his relationship with Renee Adler provides another entertaining subplot.

Grace and the Meta-Human Cure

As the season continues, the team discovers more about Grace and her connection to Cicada.

Grace's condition becomes central to the conflict.

At the same time, Caitlin, Cisco, and the rest of the team work on developing a meta-human cure.

The idea creates an important question:

Should metahumans have the right to choose whether they want to keep their powers?

For some characters, their abilities are part of their identity.

For others, their powers have caused pain and danger.

The cure therefore becomes more than just another scientific invention.

It becomes a question about choice.

Cicada's Final Battle

The conflict with Orlin eventually reaches a turning point.

The team discovers that Cicada's story is connected to Grace and the powerful energy surrounding her.

Barry and the others attempt to stop Cicada while also trying to save Grace.

Eventually, Orlin is defeated and his story comes to an end.

But the danger isn't completely over.

Another version of Cicada emerges, making the situation even more complicated.

This second Cicada is connected to Grace and becomes an even more dangerous threat.

Nora's Fate

The biggest emotional moment of the season comes when Barry and Iris discover the full truth about Nora.

Nora has been working with Thawne, and her actions have changed the timeline.

The new future created by her actions means that she may no longer exist in the same way.

Barry and Iris desperately want to save their daughter.

But the timeline has already changed.

Eventually, Nora begins to disappear.

Barry and Iris are forced to say goodbye to their daughter.

It's one of the most emotional moments of the season because Barry finally gets the chance to be the father Nora always wanted him to be—but only for a short time.

What Makes Season 5 Different?

The biggest difference is the family story.

Previous seasons often focused heavily on Barry's personal struggles, but Season 5 gives him a completely new responsibility.

He isn't just protecting Central City.

He's trying to protect his daughter.

Nora's presence also gives the season a stronger connection to the future of the Arrowverse.

Her knowledge of future events creates constant uncertainty because the audience knows that even small changes can have enormous consequences.

What Works Best

The strongest part of Season 5 is its emotional connection between Barry, Iris, and Nora.

The idea of meeting your future child and then discovering that you may have to lose them is powerful.

The season also gives the team another interesting mystery through Cicada.

The villain's personal motivation makes him more sympathetic than some of the show's previous enemies, even though his methods are extremely dangerous.

Sherloque also adds some much-needed humor during the darker parts of the story.

What Doesn't Work as Well

Cicada's storyline can feel repetitive at times.

The team spends a large portion of the season trying to identify and stop him, while Cicada repeatedly escapes.

The season also has several twists involving Nora, Thawne, and the timeline, which can make the story feel complicated.

Still, the family drama gives the season an emotional center that keeps the story moving.

Final Thoughts

The Flash Season 5 is ultimately a story about family, trust, and the consequences of changing the future.

Nora's arrival gives Barry something he has always wanted: a chance to know his future daughter.

But it also forces him to confront the possibility that the future he knows may never happen.

Cicada provides the season's main superhero conflict, while Thawne's involvement adds another layer to Nora's story.

The season's most memorable moments aren't necessarily the biggest battles.

They are the quieter moments between Barry, Iris, and Nora.

By the finale, Barry and Iris have to accept that loving someone doesn't always mean being able to save them.

Final Verdict – The Flash Season 5 combines time travel, superhero action, family drama, and a surprisingly emotional story about Barry meeting his future daughter. While Cicada's storyline can become repetitive, Nora's journey gives the season a strong emotional core and sets up major consequences for the future of Team Flash.

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