TV Seasons

Ranking the Best Seasons of 'The Flash'  

Ranker TV
100 votes 32 voters 5 items

This list features the best seasons of The Flash, listed from best to worst with pictures of season posters when available. Fans may debate which season of The Flash is the best, but each installment of the superhero action series features memorable episodes. Some of The Flash seasons focus on Barry's superpowers and other good seasons reveal that there is strength in numbers.

This list of The Flash seasons has been voted on by fans from all over the world, helping to decide once and for all which collection of episodes starring Grant Gustin, Candice Patton, and Danielle Panabaker are the best. Season One introduced viewers to the idea of metahumans while later seasons found several characters joining forces to create Team Flash.

Which The Flash season is the best? Help us decide by giving your favorite The Flash season a vote up and please use this factual list to build one just like it to re-rank to fit your opinion.

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The Flash - Season 1 is listed (or ranked) 1 on the list Ranking the Best Seasons of 'The Flash'
Photo:  The CW

The first season of The Flash premiered on October 7, 2014, and contains 23 episodes. This season focuses on Barry's past and future.

This season contains several memorable episodes including: "Fastest Man Alive," "Fallout" and "The Man in the Yellow Suit."

Memorable moments from Season 1 include:

  • Barry is struck by lightning.
  • Barry becomes The Flash.
  • A black hole endangers the city.
Was this a great season?
The Flash - Season 2 is listed (or ranked) 2 on the list Ranking the Best Seasons of 'The Flash'
Photo:  The CW

The second season of The Flash premiered on October 6, 2015, and contains 23 episodes. This season focuses on saving humanity from the Singularity.

This season contains several memorable episodes including: "Legends of Today" "Welcome to Earth-2" and "Escape from Earth-2."

Memorable moments from Season 2 include:

  • Ronnie makes a great sacrifice.
  • Zoom stabs Barry.
  • Barry races Zolomon.
Was this a great season?
The Flash - Season 5 is listed (or ranked) 3 on the list Ranking the Best Seasons of 'The Flash'
Photo:  The CW

The fifth season of The Flash premiered on October 9, 2018, and contains 22 episodes. This season focuses on Team Flash facing off against enemies new and old.

This season contains several memorable episodes including: "Nora" "Seeing Red" and "Memorabilia."

Memorable moments from Season 5 include:

  • Nora meets Team Flash.
  • Cicada creates a cryo-atomizer.
  • Captain Singh gest a promotion.
Was this a great season?
The Flash - Season 4 is listed (or ranked) 4 on the list Ranking the Best Seasons of 'The Flash'
Photo:  The CW

The fourth season of The Flash premiered on October 10, 2017, and contains 23 episodes. This season focuses on Barry and Iris' relationship.

This season contains several memorable episodes including: "The Flash Reborn" "Luck Be a Lady" and "Crisis on Earth-X, Part 3."

Memorable moments from Season 4 include:

  • Barry breaks out of the speed force.
  • Barry and Iris get married.
  • Team Flash battles DeVoe.
Was this a great season?