He Ain't Heavy, He's My Father - S1.E9

When Greg needs an upgraded security clearance to work on a top-secret case, Dharma and the families are subjected to a background check, which reveals some very interesting information about Larry and Edward. Dharma discovers to her horror that her proud anti-establishment rebel father in not in fact wanted by the FBI as he's always bragged, and embroils Greg and Pete in a scheme to plant a phony file for Larry to steal. Meanwhile, Greg is shaken to discover that Edward never in fact divorced his first wife; and Kitty's reaction to the news is not what anyone would expect.