Dream of children

I was on the couch with my two brothers when my sister a me in and asked me to babysit her daughter and her daughters friend. She told me to hang out with some adults who were also babysitting some children. We decided to go to Chuck-E-Cheese's, but it turned out to be a really crappy and nasty roller skating rink. We went to a apartment which turned out to be equally as crappy. We put the girls down for a nap and started exploring and found an aquarium room with mermaids. We were talking to the mermaids when some one told us they were lying and not to believe them so they began attacking us. We grabbed the girls and ran