▁summer ▁replacement ▁television ▁series ▁Com edy ▁Ton ight , ▁on ▁which ▁were ▁introduced ▁many ▁of ▁the ▁rout ines ▁that ▁in ▁the ▁next ▁few ▁years ▁would ▁be ▁released ▁on ▁record ▁albums . ▁His ▁extensive ▁rout ines ▁about ▁the ▁Water gate ▁sc andal ▁made ▁him ▁highly ▁popular ▁in ▁the ▁ 1 9 7 0 s . ▁In ▁ 1 9 7 4 , ▁he ▁appeared ▁in ▁an ▁episode ▁of ▁Paul ▁Sand ▁in ▁Fri ends ▁and ▁Lo vers . ▁ ▁Klein ▁star red ▁in ▁H BO ' s ▁first ▁stand - up ▁comedy ▁special ▁in ▁ 1 9 7 5 ▁during ▁the ▁cable ▁channel ' s ▁early ▁broadcast ▁days ▁and ▁has ▁continued ▁to ▁appear ▁in ▁several ▁more ▁one - man ▁shows ▁which ▁have ▁typically ▁concluded ▁with ▁his ▁" I ▁can ' t ▁stop ▁my ▁leg " ▁routine . ▁▁ ▁On ▁Nov ▁ 1 5 , ▁ 1 9 7 5 ▁during ▁Season ▁ 1 ▁and ▁again ▁in ▁Season ▁ 3 ▁on ▁January ▁ 2 8 , ▁ 1 9 7 8 ▁Klein ▁hosted ▁Saturday ▁Night ▁Live . ▁His ▁sk its ▁included ▁T ough ▁Director ▁in ▁ 1 9 7 5 , ▁Nick ▁The ▁L oun ge ▁S inger ▁S ings ▁Star ▁Wars ▁Th eme ▁in ▁ 1 9 7 8 ▁and ▁The ▁Olymp ia ▁R estaur ant : ▁Che es eb urger , ▁Ch ips ▁and ▁Pe psi ▁in ▁ 1 9 7 8 . ▁▁ ▁In ▁ 1 9 7 9 , ▁Klein ▁was ▁nominated ▁for ▁a ▁Tony ▁Award ▁for ▁Best ▁A ctor ▁in ▁a