It only has to be unguarded for a second. Just a second.

"Hold on," he says as he scoops her into his arms, pushing with everything he has to get them out of the water and to the door in time. It would work perfectly, except...

Except the Judoon are, let's say, affecting a few 'terrain changes' to mark off the area of quarantine, and his foot catches on a bit of uneven ground, stretching the ligaments way farther than they're meant to go.

Bart lands on hands and knees, the impact only slightly distracting from the ARGH ANKLE PAIN and the Judoon that have quickly begun to surround him.