Spaceball.

[badinlatin]

It takes Mal a minute or two to winch up the rim on a chain in the center of the cargo bay.

It takes Mal even longer to arrange a carefully-placed stepladder of boxes along one side of the playing field.

The arena has been set.

Walking over to the shipboard comm, Mal calls:

"This is the captain. I need all personnel in the cargo bay."

Mal stands in the center of the field of battle and waits. Grinning.