A Grand Day Out is a stop-motion animated short film directed by Nick Park, featuring the beloved characters Wallace and Gromit. The film begins with Wallace realizing that they have run out of cheese for their crackers and stating that they need to go somewhere where there is plenty of cheese. They decide to build a rocket and take a trip to the moon, which they believe is made entirely of cheese.
Once they arrive at the moon, they discover that it is actually made of green rock, and they are disappointed to find that there is no cheese to be found. They are approached by a robotic caretaker who informs them that they are not allowed to be on the moon and tells them to leave.
Undeterred, Wallace and Gromit decide to sneak into the caretaker's underground base to find some cheese. After some mishaps and close calls, they discover a room full of cheese and begin to happily munch away on it. However, the caretaker soon discovers them and chases them out of the base.
In the end, Wallace and Gromit return to earth with a small chunk of cheese they managed to sneak past the caretaker, and they reflect on the adventure they had on the moon. The film is filled with the trademark humor and charm that has made Wallace and Gromit so beloved by audiences of all ages.