Sabrina was very brave and walked pretty far into the creek:

I guess it was inevitable that one of the girls would fall in, so Sabrina did it:

One of the traits I love about Sabrina is her ability to go from absolutely fine to extremely horrified instantly. Robby was standing only about two feet from her when Sabrina lost her balance, so he was able to immediately help her stand back up. But, she screamed her head off and used her hands to point that she had fallen "in" the water - and she was MAD.

Her facial expressions are so dramatic! Yet, just a few minutes later, all is well in the world and she could return to playing: