Invitation from Hell

is the fiftieth episode of Return of Ultraman.
==Synopsis==
The Underground Science Center was attacked by an unknown force. Later, news reported the suicide of Professor Koizumi. MAT member Ueno, who also was a student of the professor, could not believe the news. He met with Professor Koizumi's daughter and decided to investigate it together, but the professor's daughter kept running into life threatening events. It is all part of the invasion of King Bockle, an underground species that the professor had been researching on!
==Cast==
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===Guest Actors===
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===Voice Actors===
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===Suit Actors===
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==Appearances==
===Ultras===
*Ultraman Jack
===Kaiju===
*King Bockle
==Home Media==
*Return of Ultraman Volume 13 features episodes 49-51.
9b26f86e30563dde0a9c09d3a13118e0.jpg|2002 release
51i7BH7lNLL.jpg|2010 release
==Trivia==
*The Ultraman Orb episode, The Devil Inside Me, is a tribute to this episode.
Category:Episodes
Category:Return of Ultraman Episodes
Category:Return of Ultraman