Huh. Maybe he's been here the whole time. Dunno why that would happen, but really why the hay does any of this happen...

[He's kinda just thinking aloud now; satisfied that Frank's still in good condition despite his unknown adventures, he gingerly rubs the bunny's head with the edge of one large hoof and sets him down again.] Don't worry, I'll keep him outta your hair from now on. Thanks for findin' him.