Will & Grace/Grandpa Jack
Grandpa Jack is the fourth episode of the ninth season of Will & Grace, and the one hundred ninty-eighth episode overall.
and Special Guest Star: Jane Lynch (Roberta)
Jack is stunned to learn that his estranged son, Elliot has a son of his own, Skip. Moreover, Skip needs the kind of help only Will and Jack can provide. Grace and Karen behave badly with the hot new guy at work.