10 Times Identical TV Shows Were Released at the Same Time

VOICE OVER: Emily Brayton WRITTEN BY: Emily Blair

When two networks chase the same trend, viewers sometimes get mirror‑image series debuting at once — and TV history becomes a story of sibling rivalry. From Gothic witch tales and fairy‑tale reboots to competing medical and cop dramas, we break down eerily similar premieres, compare tone, casting, and cultural impact, and reveal which twin shows became hits, which flamed out, and why fans still argue about them today. Our countdown highlights rival pairs like Penny Dreadful vs Salem, Sleepy Hollow vs Dracula, Once Upon a Time vs Grimm, Homicide vs NYPD Blue, The O.C. vs One Tree Hill, ER vs Chicago Hope, The Borgias vs Borgia, and more. Can you think of any twin TV series we missed? Tell us in the comments! read more...

10 Times Identical TV Shows Were Released at the Same Time

RELATED VIDEOS