The fourth season of Akademi Fantasia premiered on the Astro Ria television channel on 3 June 2006.
The season introduced Adlin Aman Ramlie as a replacement for Kudsia Kahar, while Aznil Nawawi returned as host once again.
On 5 August 2006, a native of Marang, Terengganu, Mohammad Faizal Ramly won the season, defeating runner-up Lotter P. Edwin Edin.
As much as 20 short-listed contestants were revealed in Tirai Akademi Fantasia, which was aired on 20 May 2006.
This season also witnessed an elimination of a student in the first concert, an Akademi Fantasia first.