When Sully and Mike are banished to the Himalayas they discover the closest village is a three-day hike away. Sully uses a sledge to get there quickly, then uses a child's closet door to return to the Monster's Inc factory. Then, just a few minutes later, Mike appears.

How did he get back to the factory so quickly?

When Sully and Mike are banished to the Himalayas they discover the closest village is a three-day hike away. Sully uses a sledge to get there quickly, then uses a child's closet door to return to the Monsters, Inc factory. Then, just a few minutes later, Mike appears.

How did he get back to the factory so quickly?