The gang and Snoopy present a mission proposal to C.A.R.A., but new evidence makes them rethink their approach.

Thinking outside the box, the gang continues the search on Venus even though the planet seems too harsh to support life.

Snoopy and the kids take their search for life beyond the limits of our solar system.

Back home, Snoopy and the Peanuts gang come up with a fun idea to commemorate the mission.