Developed and starred in fourth series "Bob" (CBS) as comic book artist Bob McKay
Co-starred with Judd Hirsch on short-lived CBS sitcom "George & Leo"
Guest-starred on NBC's "ER" as an elderly architect who befriends Dr. Susan Lewis (Sherry Stringfield) after he tried to commit suicide because he's going blind; received an Emmy nomination for Best Guest Actor in a Drama Series
Made feature debut in Don Siegel's "Hell Is for Heroes"
Made TV-movie debut in "Thursday's Game" (ABC), written by James L. Brooks
Played Judson, the head of the Metropolitan Public Library in TNT movie "The Librarian: Quest for the Spear"
Published first book <i>I Shouldn't Even Be Doing This</i>
Received star on the Hollywood Walk of Fame (January 6)
Reprised role as the voice of Bernard for the sequel "The Rescuers Down Under"
Returned to play Judson for "The Librarian: Return to King Solomon's Mines" (TNT)
Voiced Bernard in the animated feature "The Rescuers"
First substantial acting role, as Willard Gnatpole in "Hot Millions"
Played recurring role on ABC's "Desperate Housewives" as Morty, the on-again/off-again boyfriend of Susan Mayer's (Teri Hatcher) mother
Reprised role of Judson for third film in trilogy "The Librarian: Curse of the Judas Chalice" (TNT); earned an Emmy nomination for Best Supporting Actor in a Television Movie
Appeared in the comedy "Legally Blonde 2: Red, White & Blonde," starring Reese Witherspoon
Nominated for the 2009 Primetime Emmy Award for Outstanding Supporting Actor In A Miniseries Or A Movie
Starred as Dr. Bob Hartley on "The Bob Newhart Show" (CBS)
Starred in "The Bob Newhart Show" variety program for NBC; earned Emmy Award nomination
First comedy album <i>The Button-Down Mind of Bob Newhart</i> reached No. 1 on the LP charts
Cast as Major Major in "Catch-22," the film version of Joseph Heller's novel directed by Mike Nichols
Played Papa Elf opposite Will Ferrell in the comedy "Elf"
Returned to features in "In and Out" as a high school principal
Starred in third series "Newhart" (CBS) as Vermont inn owner Dick Loudon
Appeared in comedy feature "Horrible Bosses"
Took on the recurring role of Arthur Jeffries on the sitcom "The Big Bang Theory"