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The Flash

2014–2023

This page gathers all 397 YouTube reaction videos for The Flash (2014–2023) in one place — first-time watches, commentaries, and reactor opinions from creators across YouTube. No more searching channel by channel. Subscribe to follow this show and we'll surface new reactions in your feed as they're published.

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Reactions (397)

First Time Watching The Flash 2x10 | Reaction

First Time Watching The Flash 2x10 | Reaction

Julie Reactions

657 views★0.00 (30 ratings)

8/27/2026

First Time Watching The Flash 2x09 | Reaction

First Time Watching The Flash 2x09 | Reaction

Julie Reactions

276 views★0.00 (26 ratings)

8/6/2026

First Time Watching The Flash 2x08 (ArrowCrossover)

First Time Watching The Flash 2x08 (ArrowCrossover)

Julie Reactions

1,227 views★0.00 (50 ratings)

7/30/2026

The Flash 2x06 and 2x07 Reaction | First Time Watching

The Flash 2x06 and 2x07 Reaction | First Time Watching

Julie Reactions

1,430 views★0.00 (52 ratings)

7/8/2026

The Flash 2x06 Reaction | First Time Watching

The Flash 2x06 Reaction | First Time Watching

Julie Reactions

176 views★5.00 (20 ratings)

7/3/2026

The Flash 2x05 Reaction | First Time Watching

The Flash 2x05 Reaction | First Time Watching

Julie Reactions

648 views★0.00 (43 ratings)

7/2/2026

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The Flash 2x04 Reaction | First Time Watching

The Flash 2x04 Reaction | First Time Watching

Julie Reactions

511 views★0.00 (37 ratings)

7/1/2026

BARRY DOESN'T KNOW HIS WIFE?!?! THE FLASH Season 6 Episode 10-11 Reaction

BARRY DOESN'T KNOW HIS WIFE?!?! THE FLASH Season 6 Episode 10-11 Reaction

19,185 views★0.00 (505 ratings)

5/2/2026

THE FLASH VS BLOODWORK... THE FLASH Season 6 Episode 7-8 Reaction

THE FLASH VS BLOODWORK... THE FLASH Season 6 Episode 7-8 Reaction

8,246 views★0.00 (559 ratings)

4/14/2026

LICENSE TO ELONGATE... THE FLASH Season 6 Episode 5-6 Reaction

LICENSE TO ELONGATE... THE FLASH Season 6 Episode 5-6 Reaction

7,892 views★0.00 (542 ratings)

4/9/2026

UNCOVERING THE TRUTH... THE FLASH Season 6 Episode 3-4 Reaction

UNCOVERING THE TRUTH... THE FLASH Season 6 Episode 3-4 Reaction

9,709 views★0.00 (598 ratings)

4/3/2026

EVERYBODY DIES... THE FLASH Season 6 Episode 1-2 Reaction

EVERYBODY DIES... THE FLASH Season 6 Episode 1-2 Reaction

11,844 views★0.00 (687 ratings)

3/30/2026

REVERSE FLASH VS EVERYONE... THE FLASH Season 5 Episode 20-22 Reaction

REVERSE FLASH VS EVERYONE... THE FLASH Season 5 Episode 20-22 Reaction

16,764 views★0.00 (868 ratings)

3/18/2026

THE TRUTH ABOUT NORA REVEALED... THE FLASH Season 5 Episode 18-19 Reaction

THE TRUTH ABOUT NORA REVEALED... THE FLASH Season 5 Episode 18-19 Reaction

14,898 views★0.00 (855 ratings)

3/14/2026

THAWNE... THE FLASH Season 5 Episode 16-17 Reaction

THAWNE... THE FLASH Season 5 Episode 16-17 Reaction

11,880 views★0.00 (720 ratings)

3/6/2026

META CURE... THE FLASH Season 5 Episode 14-15 Reaction

META CURE... THE FLASH Season 5 Episode 14-15 Reaction

10,920 views★0.00 (694 ratings)

2/28/2026

UNDERCOVER... THE FLASH Season 5 Episode 12-13 Reaction

UNDERCOVER... THE FLASH Season 5 Episode 12-13 Reaction

12,566 views★0.00 (690 ratings)

2/22/2026

THAWNE RETURNS... THE FLASH Season 5 Episode 10-11 Reaction

THAWNE RETURNS... THE FLASH Season 5 Episode 10-11 Reaction

14,866 views★0.00 (851 ratings)

2/16/2026

FIRST TIME WATCHING *THE FLASH* S9 Episode 4 Reaction

FIRST TIME WATCHING THE FLASH S9 Episode 4 Reaction

1,170 views★0.00 (69 ratings)

2/15/2026

FIRST TIME WATCHING *THE FLASH* S9 Episode 3 Reaction

FIRST TIME WATCHING THE FLASH S9 Episode 3 Reaction

1,470 views★0.00 (80 ratings)

2/11/2026

FIRST TIME WATCHING *THE FLASH* S9 Episode 2 Reaction

FIRST TIME WATCHING THE FLASH S9 Episode 2 Reaction

1,445 views★0.00 (87 ratings)

2/8/2026

RELIVING TRAUMA... THE FLASH Season 5 Episode 7-8 Reaction

RELIVING TRAUMA... THE FLASH Season 5 Episode 7-8 Reaction

18,626 views★0.00 (1,023 ratings)

2/7/2026

FIRST TIME WATCHING *THE FLASH* S9 Episode 1 Reaction

FIRST TIME WATCHING THE FLASH S9 Episode 1 Reaction

1,586 views★0.00 (103 ratings)

2/4/2026

KILLER FROST'S ORIGIN... THE FLASH Season 5 Episode 5-6 Reaction

KILLER FROST'S ORIGIN... THE FLASH Season 5 Episode 5-6 Reaction

13,370 views★0.00 (837 ratings)

2/1/2026

IRIS BROKE NORA... THE FLASH Season 5 Episode 3-4 Reaction

IRIS BROKE NORA... THE FLASH Season 5 Episode 3-4 Reaction

16,388 views★0.00 (910 ratings)

1/25/2026

THE BEST SUIT BY FAR... THE FLASH Season 5 Episode 1-2 Reaction

THE BEST SUIT BY FAR... THE FLASH Season 5 Episode 1-2 Reaction

21,280 views★0.00 (1,171 ratings)

1/22/2026

THE FLASH VS THE THINKER... THE FLASH Season 4 Episode 21-23 Reaction

THE FLASH VS THE THINKER... THE FLASH Season 4 Episode 21-23 Reaction

22,415 views★0.00 (1,295 ratings)

1/17/2026

DEVOE'S ORIGIN... THE FLASH Season 4 Episode 19-20 Reaction

DEVOE'S ORIGIN... THE FLASH Season 4 Episode 19-20 Reaction

16,049 views★0.00 (1,001 ratings)

1/12/2026

RALPH NOOOOOOOO... THE FLASH Season 4 Episode 17-18 Reaction

RALPH NOOOOOOOO... THE FLASH Season 4 Episode 17-18 Reaction

19,755 views★0.00 (1,085 ratings)

1/7/2026

PEAK CINEMA... THE FLASH Season 4 Episode 15-16 Reaction

PEAK CINEMA... THE FLASH Season 4 Episode 15-16 Reaction

22,394 views★0.00 (1,277 ratings)

1/2/2026

PRISON BREAK... THE FLASH Season 4 Episode 13-14 Reaction

PRISON BREAK... THE FLASH Season 4 Episode 13-14 Reaction

17,428 views★0.00 (1,044 ratings)

12/31/2025

BETRAYAL... THE FLASH Season 4 Episode 11-12 Reaction

BETRAYAL... THE FLASH Season 4 Episode 11-12 Reaction

18,451 views★0.00 (1,084 ratings)

12/28/2025

THE FLASH ARRESTED... THE FLASH Season 4 Episode 9-10 Reaction

THE FLASH ARRESTED... THE FLASH Season 4 Episode 9-10 Reaction

19,515 views★0.00 (1,148 ratings)

12/22/2025

HE KNOWS EVERYTHING... THE FLASH Season 4 Episode 6-7 Reaction

HE KNOWS EVERYTHING... THE FLASH Season 4 Episode 6-7 Reaction

20,162 views★0.00 (1,174 ratings)

12/17/2025

KILLER FROST... THE FLASH Season 4 Episode 4-5 Reaction

KILLER FROST... THE FLASH Season 4 Episode 4-5 Reaction

20,904 views★0.00 (1,234 ratings)

12/15/2025

WHO IS HE?! THE FLASH Season 4 Episode 2-3 Reaction

WHO IS HE?! THE FLASH Season 4 Episode 2-3 Reaction

25,617 views★0.00 (1,408 ratings)

12/11/2025

FIRST TIME WATCHING *THE FLASH* S8 Episode 5 Reaction

FIRST TIME WATCHING THE FLASH S8 Episode 5 Reaction

2,107 views★0.00 (113 ratings)

12/10/2025

I BINGED *THE FLASH SEASON 3*

I BINGED THE FLASH SEASON 3

17,626 views★0.00 (341 ratings)

12/9/2025

THE FLASH REBORN... THE FLASH Season 4 Episode 1 Reaction

THE FLASH REBORN... THE FLASH Season 4 Episode 1 Reaction

26,402 views★0.00 (1,758 ratings)

12/8/2025

THE FLASH VS SAVITAR IS INSANE... THE FLASH Season 3 Episode 21-23 Reaction

THE FLASH VS SAVITAR IS INSANE... THE FLASH Season 3 Episode 21-23 Reaction

41,467 views★0.00 (2,077 ratings)

12/7/2025

FIRST TIME WATCHING *THE FLASH* S8 Episode 4 Reaction

FIRST TIME WATCHING THE FLASH S8 Episode 4 Reaction

1,942 views★0.00 (108 ratings)

12/7/2025

SAVITAR?! THERE'S NO WAY!!!!! THE FLASH Season 3 Episode 19-20 Reaction

SAVITAR?! THERE'S NO WAY!!!!! THE FLASH Season 3 Episode 19-20 Reaction

39,134 views★0.00 (2,137 ratings)

12/5/2025

FLASH THE MUSICAL?! THE FLASH Season 3 Episode 17-18 Reaction

FLASH THE MUSICAL?! THE FLASH Season 3 Episode 17-18 Reaction

28,466 views★0.00 (1,660 ratings)

12/4/2025

FIRST TIME WATCHING *THE FLASH* S8 Episode 3 Reaction

FIRST TIME WATCHING THE FLASH S8 Episode 3 Reaction

1,584 views★0.00 (105 ratings)

12/3/2025

WALLY NOOOOOO... THE FLASH Season 3 Episode 15-16 Reaction

WALLY NOOOOOO... THE FLASH Season 3 Episode 15-16 Reaction

27,254 views★0.00 (1,640 ratings)

12/2/2025

The Flash 2x1, 2x2 & 2x3 REACTION | FIRST TIME Watching the Arrowverse! ⚡🔥 ZOOM Is HERE?!

The Flash 2x1, 2x2 & 2x3 REACTION | FIRST TIME Watching the Arrowverse! ⚡🔥 ZOOM Is HERE?!

Julie Reactions

2,445 views★0.00 (84 ratings)

12/2/2025

FIRST TIME WATCHING *THE FLASH* S8 Episode 2 Reaction

FIRST TIME WATCHING THE FLASH S8 Episode 2 Reaction

1,531 views★0.00 (107 ratings)

11/30/2025

THE FLASH VS GORILLA CITY... THE FLASH Season 3 Episode 13-14 Reaction

THE FLASH VS GORILLA CITY... THE FLASH Season 3 Episode 13-14 Reaction

22,396 views★0.00 (1,420 ratings)

11/29/2025

THE FLASH VS KID FLASH... THE FLASH Season 3 Episode 11-12 Reaction

THE FLASH VS KID FLASH... THE FLASH Season 3 Episode 11-12 Reaction

26,617 views★0.00 (1,538 ratings)

11/28/2025

THERE'S NO WAY... THE FLASH Season 3 Episode 9-10 Reaction

THERE'S NO WAY... THE FLASH Season 3 Episode 9-10 Reaction

36,518 views★0.00 (1,842 ratings)

11/27/2025

Frequently asked questions

Where can I watch reaction videos for The Flash?

This page collects every indexed YouTube reaction for The Flash (2014–2023) in one place — first-time watches, commentaries, and reactor opinions. Just pick a video below and watch.

How many reactions are there for The Flash?

We currently track 397 reaction videos for The Flash, and the list grows as new reactions are published.

Can I get notified about new The Flash reactions?

Yes. Subscribe to The Flash to add it to your watchlist. New reactions for this title will show up in your subscriptions feed as they're indexed.