Continue with Google
>
More
Certified fresh picks
New TV Tonight
-
Your Friends & Neighbors: Season 2
-- -
XO, Kitty: Season 3
-- -
Untold: Season 6
-- -
Love on the Spectrum U.S.: Season 4
-- -
Bloodhounds: Season 2
-- -
Secrets of the Bees: Season 1
-- -
Henry David Thoreau: Season 1
-- -
The Bad Guys: The Series: Season 2
--
Most Popular TV on RT
-
Something Very Bad Is Going to Happen: Season 1
88% -
Jo Nesbo's Detective Hole: Season 1
92% -
Paradise: Season 2
91% -
BAIT: Season 1
97% -
For All Mankind: Season 5
94% -
Daredevil: Born Again: Season 2
95% -
Deadloch: Season 2
100% -
DTF St. Louis: Season 1
88% -
The Predator of Seville: Season 1
-- -
Scarpetta: Season 1
60%
More
Certified fresh pick
Columns
Guides
-
Best New Comedies of 2026, Ranked by Tomatometer
Link to Best New Comedies of 2026, Ranked by Tomatometer -
The Best Space Movies For An Escape Into The Unknown
Link to The Best Space Movies For An Escape Into The Unknown
Hubs
-
Awards Tour
Link to Awards Tour -
What to Watch: In Theaters and On Streaming
Link to What to Watch: In Theaters and On Streaming
RT News
-
Halle Bailey and Regé-Jean Page Deliver Black Joy in You, Me & Tuscany
Link to Halle Bailey and Regé-Jean Page Deliver Black Joy in You, Me & Tuscany -
Deborah Ann Woll on Fighting Wilson Fisk, ‘Co-Parenting’ Hell’s Kitchen, and Karen Page’s Ultimate Fate in Daredevil: Born Again
Link to Deborah Ann Woll on Fighting Wilson Fisk, ‘Co-Parenting’ Hell’s Kitchen, and Karen Page’s Ultimate Fate in Daredevil: Born Again
The Flash – Season 1, Episode 21 Alpha
Where to Watch
The Flash — Season 1, Episode 21
Buy The Flash — Season 1, Episode 21 on Fandango at Home.
More Like This
Cast & Crew
Photos
The Flash — Season 1, Episode 21
Episode Info
-
Network -
CBS -
Rating -
TV-14 -
Genre -
Sci-Fi -
Original Language -
English -
Release Date -
May 11, 1991
