The Alphans must navigate the planet's lethal atmosphere and communicate with the automated guardians of the chrysalises to prevent the next shockwave from destroying the Moon. The episode is notable for its exploration of communication with non-humanoid, highly alien life forms and the tension of a ticking-clock scenario. Production Facts
: The Italian release of the series, Spazio: 1999 , sometimes featured alternate music cues, including scores by the legendary Ennio Morricone for certain compilation films. "Space: 1999" The AB Chrysalis (TV Episode 1976) - IMDb Spazio_1999_02x12
: This episode was filmed concurrently with "Catacombs of the Moon," which is why Tony Anholt (Tony Verdeschi) does not appear in this installment, though he is mentioned briefly in the epilogue. The Alphans must navigate the planet's lethal atmosphere