(originally titled "Cause and Effect") is the 21st episode of the third season of The Flash (2014). It is known for its tonal shift from the season's darker themes to a more lighthearted "amnesia plot". Plot Overview

Following the reveal that the villain is a time remnant of Barry Allen, Team Flash attempts to stop him by preventing Barry from forming new memories. Their logic is that since Savitar is a future version of Barry, he remembers everything Barry does.

The episode shows brief glimpses of Caitlin Snow fighting to regain control from her Killer Frost persona, particularly after a heartfelt moment with Cisco.

Grant Gustin is praised by reviewers from TV Fanatic for his comedic performance as "Bart," a version of Barry unburdened by the tragedy and "brooding" of recent seasons.

The_flash_2014_3x21_causa_ed_effetto_ita_1080p_... May 2026

(originally titled "Cause and Effect") is the 21st episode of the third season of The Flash (2014). It is known for its tonal shift from the season's darker themes to a more lighthearted "amnesia plot". Plot Overview

Following the reveal that the villain is a time remnant of Barry Allen, Team Flash attempts to stop him by preventing Barry from forming new memories. Their logic is that since Savitar is a future version of Barry, he remembers everything Barry does. The_Flash_2014_3x21_Causa_Ed_Effetto_ITA_1080p_...

The episode shows brief glimpses of Caitlin Snow fighting to regain control from her Killer Frost persona, particularly after a heartfelt moment with Cisco. (originally titled "Cause and Effect") is the 21st

Grant Gustin is praised by reviewers from TV Fanatic for his comedic performance as "Bart," a version of Barry unburdened by the tragedy and "brooding" of recent seasons. Their logic is that since Savitar is a


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