: 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 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 Spazio_1999_02x12
" Spazio 1999 " is the Italian title for the science fiction series , and the designation "02x12" refers to the 12th episode of the second season, titled " The AB Chrysalis " . Episode Overview: " The AB Chrysalis " Original Airdate : November 18, 1976 Director : Val Guest Writer : Tony Barwick Guest Stars : Sarah Douglas and Ina Skriver Plot Summary : This episode was filmed concurrently with "Catacombs
: Filming took place during a record-breaking British heatwave in 1976. Temperatures on set reached up to 120°F (49°C), and actors Martin Landau and Nick Tate had to perform in heavy spacesuits while the studio's air conditioning failed. Production Facts " Spazio 1999 " is the