The story follows Snoopy as his vision of becoming an astronaut turn into reality, as he and Woodstock tag along with the Peanuts gang on a trip to NASA. They are chosen for an important mission to space - it is said...
Source
Blast off with Snoopy as he fulfills his dream to become a NASA astronaut. Joined by Charlie Brown and the rest of the Peanuts gang, Snoopy takes command of the International Space Station and explores the moon and beyond.
Snoopy in Space - Wikipedia
en.wikipedia.org