Complex sentence: The guidestones were featured in the "Brad Meltzer's Decoded" episode "Apocalypse in Georgia" and in 2013, a documentary titled "The Georgia Guidestones Movie", received screenings in Georgia, South Carolina, and Oregon.
Split into simpler sentences: The guidestones were featured in the "Brad Meltzer's Decoded" episode "Apocalypse in Georgia". In 2013, a documentary titled "The Georgia Guidestones Movie", received screenings in Georgia, South Carolina, and Oregon.