Barney meets his father and is shocked by the differences in their lives. The rest of the gang learn their "gaps"; knowledge they should have by now, but don't.
Quest roles:
Lyndsy Fonseca(Daughter), David Henrie(Son), Marieve Herington(Betty), Nancy Travis(Cheryl Whittaker), John Lithgow(Jerry Whittaker), Will Shadley(J.J. Whittaker), Michael Rupnow(Scott)