Stray Kids officially debuted on March 25, 2018, with their debut showcase, followed by the mini-album “I Am NOT” released on March 26, 2018.

When Did Stray Kids Debut? (Quick Scoop)

Stray Kids’ big debut moment is locked in K‑pop history:
they officially debuted on March 25, 2018, with a debut showcase in Seoul under JYP Entertainment.

Their first mini-album “I Am NOT,” featuring the title track “District 9,” dropped the very next day on March 26, 2018.

In fan terms: March 25 is “they’re finally here,” and March 26 is “the album is out, let’s stream.”

Mini Timeline Around Their Debut

  • Pre-debut reality show “Stray Kids” created and introduced the group under JYP Entertainment.
  • January 8, 2018 – Pre-debut mini album “Mixtape” released.
  • March 25, 2018 – Official debut showcase “UNVEIL” in Seoul.
  • March 26, 2018 – Mini-album “I Am NOT” and title track “District 9” released.
  • August 1, 2018 – Fandom name “STAY” announced.

Why March 25 Matters to STAYs

For fans, March 25 isn’t just a date on the calendar; it’s the start of the group’s journey from trainees to one of 4th‑gen K‑pop’s powerhouse acts.

Every year, the fandom celebrates their debut anniversary, often alongside events, special content, and concert dates that highlight how far they’ve come since the “I Am NOT” era.

TL;DR:
Stray Kids debuted on March 25, 2018 (showcase), and their first mini-album “I Am NOT” was released on March 26, 2018.

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