ad ▁S ays , ▁created ▁by ▁Justin ▁Hal per n ▁and ▁consisting ▁of ▁quot ations ▁from ▁his ▁father , ▁Sam . ▁ ▁The ▁show ▁originally ▁ran ▁from ▁September ▁ 2 3 , ▁ 2 0 1 0 , ▁to ▁February ▁ 1 7 , ▁ 2 0 1 1 , ▁and ▁a ired ▁on ▁Th urs days ▁at ▁ 8 : 3 0   pm / 7 : 3 0   pm ▁Central . ▁After ▁ 1 8 ▁episodes ▁a ired , ▁the ▁series ▁was ▁replaced ▁in ▁mid - season ▁by ▁R ules ▁of ▁Eng agement , ▁which ▁had ▁moved ▁to ▁Th urs days ▁from ▁Mond ays . ▁ ▁On ▁May ▁ 1 5 , ▁ 2 0 1 1 , ▁CBS ▁can ce led ▁the ▁series ▁after ▁one ▁season . ▁ ▁Plot ▁Ed ▁is ▁a ▁very ▁opinion ated ▁ 7 2 - year - old ▁who ▁has ▁been ▁divor ced ▁three ▁times . ▁His ▁two ▁adult ▁sons , ▁Henry ▁and ▁V ince , ▁are ▁acc ustom ed ▁to ▁his ▁un sol ic ited ▁and ▁often ▁polit ically ▁incorrect ▁r ants . ▁When ▁Henry , ▁a ▁struggling ▁writer ▁and ▁blog ger , ▁can ▁no ▁longer ▁afford ▁his ▁rent , ▁he ▁is ▁forced ▁to ▁move ▁back ▁in ▁with ▁Ed , ▁which ▁creates ▁new ▁issues ▁in ▁their ▁tricky ▁father – son ▁relationship . ▁As ▁weeks ▁go ▁by ▁Henry ▁is ▁unable ▁to ▁find ▁a ▁job ▁as ▁a ▁writer , ▁mostly ▁due ▁to ▁the ▁lack ▁of ▁good ▁material . ▁He ▁finally ▁lands ▁a ▁job , ▁ ▁when