Jack shrugged and smiled at the Doctor. "I'm sure there's an asteroid out there we could chain him to. I wouldn't mind that." Mostly a joke. Mostly. "Or we could tie him up to the outside of the TARDIS. Have him on a lead. Kind of ugly for a dog, though."

He then turned to the Master, looking bored. "This is a big TARDIS. I'm sure we've got a bucket round here somewhere."