He has also worked in television, most notably with Judd Apatow, as a consulting producer on Freaks and Geeks and as a director on Undeclared.
He had small roles in the television shows Smart Guy, Boston Public, Buffy the Vampire Slayer, Freaks and Geeks, Undeclared and Roswell.
Freaks and Geeks | Freaks | Blood Sucking Freaks | The Fearless Freaks | Aardvark'd: 12 Weeks with Geeks | (Return to The Valley of) Out Come the Freaks | Out Come the Freaks | House of Freaks | Guitar Freaks | Geeks Bearing Gifts | Errors, freaks, and oddities | Eight Legged Freaks | Big Nose Freaks Out |
He has also directed a wide range of television including Arrested Development, Everwood, Gilmore Girls, Freaks and Geeks, Sports Night, Felicity, Action, The Tick, MTV's Austin Stories and HBO's Mind of the Married Man, The Sopranos and How to Make It in America.
Before working in the television series Babylon 5, Buffy the Vampire Slayer and Freaks and Geeks.
He played Sam Weir, protagonist of the "Geeks", in the television series Freaks and Geeks, and since then he has worked continuously in television, including series such as The Geena Davis Show, Boston Public, Regular Joe, Kitchen Confidential, Judging Amy, and Spin City.