Road to the North Pole comedy films which were released from 1940 to 1962, starring actors Bing Crosby, Bob Hope and actress Dorothy Lamour. The opening credits show images with Brian and Stewie referencing other Christmas specials such as "The Nutcracker", "A Christmas Carol", "How the Grinch Stole Christmas", "Frosty the Snowman" and "Home Alone". The credits also show Brian and Stewie performing winter activities, such as snowball fights, making snow angels and putting coal in the (Meg's) Christmas socks instead of gifts. Ron MacFarlane, who narrated part of the episode, mentioned that Kenny Rogers was supposed to be there. The episode opens with a
Frosty Leo Nebula Frosty Leo Nebula The Frosty Leo Nebula is a protoplanetary nebula (PPN) located roughly at 10,000 light-years away from Earth in the direction of the constellation Leo. It is a spectral bipolar nebula. Its central star is of optical spectral type K7II, by itself called "Frosty Leo". It is unusual in that it has an extremely deep absorption feature at 3.1 µm and is unusually located at more than 900 pc above the plane of our galaxy. Further, as of 1990, it has the only known PPN circumstellar outflow in which crystalline ice dominates the long-wavelength emission spectrum and the