Fair rating?How to Hatch a Dinosaur (2)
Egghead, Olga, and the Cossacks steal two pounds of radium so they can hatch a 40-million-year-old Neosaurus egg and take over Gotham City.
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#5In Season 3of 26 rated episodes
#64All-timeof 120 rated episodes
+0.7vs season avgSeason 3 averages 6.5
1967First airedNovember 9, 1967
Guest stars
Cesar Romeroas The Joker