The Exorcist 2x5 - There but for the Grace of God, Go I

As Tomas and Marcus continue to investigate the strangeincidents at the foster home, the demon finally makes itspresence known. The two priests must race against the clock tofind evidence of possession before it is too late. Meanwhile,Andy and Rose take the children on an overnight camping trip,setting them on a collision course with the supernaturalpresence on the island. Back in Rome, Father Bennett's uneasypartnership with Mouse takes a turn as disturbing newinformation about the conspiracy comes to light.