In September 2001, he appeared in one episode of "Comedy Central Presents". It included a stand-up routine, a segment with a piano, and a cappella group The Night Owls (introduced as his "12 ex-girlfriends") singing "Eternal Flame" by The Bangles while he made jokes. In 2002, he hosted his own VH1 talk show called "Late World with Zach". It featured many of his friends and regular performers from the LA comedy and music venue Largo where he appeared frequently during this time period. One episode featured Largo regulars Jon Brion and Rhett Miller as musical guests. He played Davis in the Fox drama series "Tru Calling". He appeared many times on "Jimmy Kimmel Live!" and played Frisbee in four episodes of "Reno 911!"