What is the best Peaky Blinders season?

Peaky Blinders ran for six acclaimed seasons, following the rise of the Shelby crime family from post-war Birmingham to the brink of World War II. Which season was the show at its very best?

1. 1
   Season 1

   The 2013 debut season introducing Tommy Shelby and the Peaky Blinders gang in post-WWI Birmingham as they rise against inspector Campbell.
   1000pts

   DI
2. 2
   Season 4

   The 2017 season pitting the Shelby clan against the ruthless Changretta Mafia family, delivering the show's most visceral and relentless action.
   333pts
3. 3
   Season 2

   The acclaimed 2014 season expanding the Shelby empire and introducing Alfie Solomons, widely considered the show's creative peak by fans and critics.
   333pts
4. 4
   Season 3

   The 2016 season exploring Tommy's grief and descent into darkness after a devastating personal loss, with the family venturing into Russian aristocrat territory.
   1pts
5. 5
   Season 5

   The 2019 season shifting focus to the rise of British fascism and the political machinations of Oswald Mosley, with a devastating finale.
   1pts
6. 6
   Season 6

   The 2022 final season bringing Tommy Shelby's story to a close amid personal tragedy, wartime stakes, and a long-awaited reckoning.
   1pts