, ▁David ▁Hart man ▁as ▁Doc , ▁and ▁H agan ▁Beg gs ▁as ▁Reg gie . ▁After ▁being ▁sh el ved ▁for ▁six ▁years , ▁N BC ▁a ired ▁the ▁movie ▁in ▁ 1 9 7 3 . I ▁Love ▁a ▁Myst ery ▁was ▁an ▁influence ▁in ▁the ▁development ▁of ▁the ▁long - running ▁H anna - Bar ber a ▁franch ise ▁S co oby - D oo ▁in ▁its ▁early ▁stages ▁of ▁development ▁as ▁a ▁live - action ▁series ▁under ▁the ▁working ▁titles ▁Myst eries ▁Five ▁and ▁Who ' s ▁Sc ared ? '' ▁ ▁The ▁radio ▁show ▁was ▁also ▁adapted ▁in ▁a ▁com ic ▁book ▁version ▁by ▁Don ▁Sher wood . ▁ ▁References ▁ ▁External ▁links ▁Jerry ▁Ha end iges ▁V int age ▁Radio ▁Log s : ▁I ▁Love ▁a ▁Myst ery ▁ ▁Audio ▁O TR ▁Network ▁Library : ▁I ▁Love ▁a ▁Myst ery ▁( 5 7 ▁episodes ) ▁Archive . org : ▁I ▁Love ▁A ▁Myst ery ▁Archive . org ▁II : ▁I ▁Love ▁A ▁Myst ery ▁▁ 2 4 4 ▁episodes . ▁ ▁Category : American ▁radio ▁dram as ▁Category : 1 9 3 0 s ▁American ▁radio ▁programs ▁Category : 1 9 4 0 s ▁American ▁radio ▁programs ▁Category : 1 9 5 0 s ▁American ▁radio ▁programs ▁Category : 1 9 3 9 ▁radio ▁programme ▁deb uts ▁Category : 1 9 4 4 ▁radio ▁programme ▁end ings ▁Category : C BS ▁Radio ▁programs ▁Category : M ut ual ▁Broadcast ing ▁System ▁programs ▁Category : N BC ▁radio