Episode 143 of "Malcolm in the Middle"
s07e14 Hal Grieves
Title: Hal Grieves
Original Air Date: 02/19/2006 on Fox
Plot Outline:
Hal gets a devastating phone call that his father has passed away, but because he never knew his father he doesn't shed a tear. In an attempt to overcompensate with his kids, Hal takes the boys shopping, lets them miss school and offers to buy Malcolm a new car until Lois steps in. And Hal's buddy Abe thinks that a visit from George Takei will cheer him up.