No , the anime series "Eureka Seven" concluded at the end of
fifty episodes and with the film "Eureka Seven - good night, sleep
tight, young lovers" .
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Well to be clear, most of the movie was filmed in Eureka
Springs, Arkansas.
The scenes in the cave were filmed in Onyx Cave which is in
Eureka Springs.
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As of now, there is no official announcement regarding another season of Eureka Seven. However, fans can always stay updated by following official announcements from the production company or the series creators.