Discography

The Wonder Begins (Debut mini-album)

* Released: February 13, 2007
* Format: CD
* Label: Seoul Records
* Producer: Park Jin-Young, JYP Entertainment
* Chart position: #72 KOR[25]
* Sales: KOR: 14,815[26]
* Singles: "Irony", "미안한 마음(It's Not Love/A Sorry Heart)"

The Wonder Years (1st full-length album)

* Released: September 13, 2007
* Format: CD
* Label: Seoul Records
* Producer: Park Jin-Young, JYP Entertainment
* Chart position: #5 KOR[3]
* Sales: KOR: 72,823 [27]
* Singles: "Tell Me", "이 바보" ("This Fool"), "Wishing On A Star"

So Hot (The 3rd Project)

* Released: June 03, 2008
* Format: CD
* Label: LOEN Entertainment
* Producer: Park Jin-Young, JYP Entertainment
* Chart position: #3 KOR[26]
* Sales: KOR: 57,500[28]
* Singles: "So Hot", "This Time"

The Wonder Years Trilogy (The 4th Project)

* Released: September 30, 2008
* Format: CD
* Label: LOEN Entertainment
* Producer: Park Jin-Young, JYP Entertainment
* Chart position: #2 KOR
* Sales: 67,500[28]
* Singles: "Nobody", "Nobody (Rainstone Remix)"

Television Shows

* Wonder Girls Season 1 (2006)
* Wonder Girls Season 2 (2007)
* Wonder Girls Season 3 (2008)
* Wonder Bakery (2008)