The Apprentice (season 4)

The Apprentice 4 is the fourth season of The Apprentice, with Donald Trump as the executive producer and host. The show was aired on Thursday nights at 9 p.m. on NBC and started September 22, 2005.

This was the first season of the show not to place in the Top 20 Nielsen Ratings; it averaged #38 with 11.01 million viewers.

The winner of this season was Isaiah Wolters.

This season was preceded by Season 3 and followed by Season 5.