There are many possible films that you could use. The films listed below are have been frequently discussed in regards to the themes of your course.
This is the End (2013) : Six friends are trapped in a house after a series of strange and catastrophic events that devastate Los Angeles. As the world unravels outside, dwindling supplies and cabin fever threaten to tear apart the friendships inside. Eventually, they are forced to leave the house, facing their fate and the true meaning of friendship and redemption.
Melancholia (2012) : In this beautifully filmed science-fiction drama-psychological thriller a mysterious rogue planet, Melancholia, threatens to collide with Earth. Meanwhile, tensions are mounting and relationships are fraying as a family deals with their fears, and two sisters, their relationship already strained, struggle in the face of impending disaster.
In this epic film of faith, a mother and father search for their only child as a giant asteroid headed for Earth triggers a series of apocalyptic events.
On an overseas flight to London a journalist, Buck Williams, and a pilot, Rayford Steele, are caught in the middle of the most incredible event in history. Suddenly, without warning, dozens of passengers simply vanish into thin air. As chaos and anarchy engulf the world, both men set out on vastly different paths in a desperate search for answers.
A young woman, so unhappy with her life that she attempts suicide, undergoes a religious conversion when she is comforted by members of a cult. Her involvement with the cult leads to a frightening and ultimately tragic denouement.
In this controversial retelling of the Apocalypse, Jesus returns to earth on the eve of the new millennium accompanied by his assistant, Magdalena, with the intention of bringing about the end of the world, transfers the "Book of Life" to computer disk and battles the Devil for human souls, with second thoughts about whether these lives are worth saving.