NEW 26-LESSON COURSE!
Demons and Ghosts in the Bible™
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Demons, ghosts, exorcisms—what did ancient Jews and Christians really believe about the supernatural?
This ground-breaking new course uncovers the origins of biblical spirits, from Satan and demonic possession to ghostly encounters and divine prophecy.
Unlock the Origins and Influence of Biblical Spirits
Where did ideas of demons and ghosts come from? How did they evolve in Jewish and Christian traditions? Explore biblical and ancient texts to trace the supernatural beings that shaped early religious thought.
Investigate Hauntings, Possessions, and the Power of Spirits
From exorcisms in the Gospels to the ghost of the prophet Samuel, discover how ancient people understood encounters with spirits. Examine the links between demons, magic, and prophecy—and how these beliefs transformed over time.
This groundbreaking new course is presented by Dr. Travis Proctor, whose book Demonic Bodies and the Dark Ecologies of Early Christian Culture offers a fascinating look at demons in early Christianity

JOIN THE LIVE RECORDING - CLASSES START 5PM (EDT) May 20
Unlock the Mysteries of Evil
This 26-lecture course explores the origins of evil, the evolution of Satan, and the role of spirits and demons in biblical texts.
Intriguing and eye-opening, this 26-lecture series delves deep into the world of ghosts, demons, and the supernatural. Crafted for all, from inquisitive minds to experienced scholars, you’ll uncover the hidden truths behind these mysterious and powerful forces in biblical and historical contexts
Check out the full lecture outline below and be sure to explore the extra benefits of purchasing this course through the Biblical Studies Academy (BSA)
26 lectures from May 20 to August 14
Explore Ghosts and Demons
Designed to bring the depth of a university-level course to you, this online program unfolds across 26 expert-led lectures, offering deep insights into the origins of demons, exorcisms, and ghostly encounters in the Bible—without the high cost or exam pressure
The Bible includes several stories concerning demons, ghosts, and related spirits. What is a “demon,” and a “ghost”? Where do these ideas come from, and where do they show up in the Bible? This session introduces the course by answering these fundamental questions, defining some key terms we will use in class, and thinking about what it means to study these spirits and the Bible in an academic setting.
Before there were demons, there were fallen angels. According to most ancient accounts, demons were the primordial offspring of semi-divine angels who had betrayed their divinely-given stations and descended to earth to fulfill illicit desires. In this lecture, we explore the earliest accounts of fallen angels, including both biblical and “apocryphal” narratives, paying careful attention to how they explain the origins of evil, the fall of humanity, and the emergence of evil spirits on earth.
Among the activities attributed to fallen angels is their “revelation” of secret, forbidden knowledge, transmitted surreptitiously from the heavenly to mundane realms. In this lecture, we explore ancient Jewish and Christian accounts, both biblical and “apocryphal,” for how angels revealed hidden knowledge to humanity and so helped bring “evil” into the world of humans.
In his first letter to the Corinthians, Paul of Tarsus tells his readers that women ought to wear a veil “because of the angels.” What does Paul mean by this? In this lecture, we explore various scholarly explanations for Paul’s phrasing, including various traditions regarding angels (fallen and otherwise) in ancient Judaism in early Christianity. Along the way, we will analyze the social functions that fallen angels (and other demon-like figures) may have performed in the earliest Jesus movement communities.
While Paul’s mention of “angels” in 1 Corinthians remains enigmatic to many modern readers, his later interpreters understood Paul to be referring to the fallen angels known from Jewish apocryphal writings such as 1 Enoch. In this lecture, we explore the early Christian “afterlives” of ancient Jewish concepts of fallen angels, noting how such ideas played important roles in the social formation of early Christianity.
The most famous fallen angel of all, Satan, makes surprisingly few appearances in our earliest biblical texts. In this lecture, we explore the origins of Satan in ancient Jewish cultures, noting where the idea of a lead fallen angel and chief demon figure emerged. We also explore famous biblical passages, such as the story of Adam and Eve, where the presence of Satan has been questioned by modern biblical scholars.
In the development of ancient Jewish thought, Satan begins as the “adversary” in God’s heavenly court, but eventually transforms into an evil chief demon figure, famous to us today as the “devil.” When and why did this transformation take place? This lecture traces the origins and evolution of the idea of Satan within ancient Judaism.
By time of Jesus and his earliest followers, Jewish culture had developed the idea that there was a chief demon figure known as “Satan.” In this lecture, we explore how Satan appears in our earliest writings from the Jesus movement, including the temptation of Jesus in the desert, the possession of Judas, and Paul’s reference to an “angel of light.”
In this special double lecture, we explore how the figure of Satan (and associated chief demons) functioned socially in early Christian writings. Early Christian writers, attempting to map out the contours of Christian “orthodoxy,” often branded their “heretical” opponents as Satan-inspired. We explore the origins of this connection and the insights it provides into the development of early Christianity.
Perhaps the most famous attribute of Satan is his abode: a fiery hellscape that awaits the unrighteous. In this lecture, we explore the ancient Jewish and early Christian origins of the concept of “hell,” Satan’s role in its “administration,” and the social functions that Satan’s abode has often served in religious literature.
Of all the Satan-inspired figures we find in ancient Judaism and early Christianity, perhaps none has piqued the interest of readers more than the “antichrist,” an end-times figure who opposes the people of God and carries out Satan’s will. In this lecture, we explore the origins of the “antichrist” idea, its appearance in ancient Christian literature, and its connections to Satan and his demonic minions.
Like many other cultures of the ancient Near East, ancient Jews believed in the existence of ambivalent or malevolent spirits that could cause harm to humans. In this lecture, we explore ancient ideas regarding “demonic” figures, their origins in cultures of the ancient Near East, and their appearance in various guises in the Hebrew Bible and related texts.
We find some of the most robust ideas concerning demons and demonic possession in the Dead Sea Scrolls, a trove of ancient Jewish documents found in caves near the Dead Sea. In this lecture, we explore the historical context for the Scrolls, their “apocalyptic” ideas, and how demons played a part in the wider beliefs of the people who produced them.
Like other Jews of their time, the earliest followers of Jesus believed in the existence of “demonic” spirits who caused disease, possessed people, and attempted to counter the will of God. In this lecture, we examine the narratives of demons and demonic possession in the New Testament gospels, paying careful attention to their Jewish roots and significant for the ministry of Jesus.
Like stories of fallen angels and Satan, narratives regarding the demonic often had social significance. In this lecture, we explore the historical and social contexts for Jesus’s exorcisms, noting how they likely had significance for his “apocalyptic” mission and opposition to Roman foreign occupation of the holy land.
Ancient Jews and Christians had a strong belief that prophetic spirits (that is, spirits sent from God for the purpose of prophecy) had the ability to possess people. But how could one tell the difference between this kind of possessing spirit and the demonic? In this lecture, we explore ancient ideas regarding divine and demonic possession as related to prophecy, as well as early Christian narratives that identify non-Christian divination as demonically-inspired.
Many ancient cultures held that some diseases were caused by malevolent spirits such as demons. In this lecture, we explore the ancient roots for this idea, its influence on New Testament demonology, as well as “alternative” ancient understandings of disease (in the “Hippocratic” corpus, for example).
In the ancient Mediterranean, demons were often thought to serve roles as magical “assistants,” helping “magicians” and “sorcerers” ply their craft. In this lecture, we examine the ancient connections between demons and magic, noting how demons appear within ancient magical spells as well as how “magical” formulas were often used to thwart demonic attacks.
In the New Testament, letters associated with Paul associate certain “powers” and “authorities” with apparently-evil forces that existed in the cosmos. Who are these “powers” and “authorities”, and what are their relations to the demonic? In this lecture, we explore the ancient roots for this terminology, its apocalyptic associations, and its relevance for early Christian demonology.
What is a “ghost” and where does this idea come from? In this lecture, we explore the ancient roots for our modern concept of ghost, noting how humans have had surprisingly-consistent views on what might cause a deceased person’s soul to linger in the land of the living. We will examine ancient ghost stories, noting their distinctive elements as well as perennial themes.
Some biblical texts imply that ancient Israelites venerated “teraphim,” or “household gods,” thought to be sacred images of deceased ancestors. In this lecture, we explore how these representations of revered family “ghosts” were likely a part of ancient worship practices, and how they were later condemned by biblical authors.
One of the most fascinating scenes of the Hebrew Bible occurs when King Saul, desperate for counsel as he faced the Philistines, asks a mysterious woman at Endor to conjure the spirit of the deceased prophet Samuel. In this lecture, we explore the ancient roots of this enigmatic scene, including its foundations in ancient “necromancy,” its connection to biblical condemnation of magic, and its later interpretive “afterlives.”
According to the Gospels, Jesus was inhabited by a “holy spirit” sent from God, who helped inaugurate his mission and provide him divine power. This idea later became the foundation for the Christian doctrine of the Trinity. This lecture explores the origins and significance of the “holy ghost,” contextualizing it within broader themes of divine spirits and “ghosts” in the ancient Mediterranean.
At the center of Christian tradition lies the claim that Jesus was resurrected. And yet in his resurrection appearances, his followers often mistake him for others, or misperceive him as being some kind of “spirit” or “ghost.” In this lecture, we explore traditions regarding revived spirits and “ghosts” and their significance for early Christian storytelling regarding the risen Jesus.
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About Dr. Travis Proctor
A first-generation college graduate and scholar of the bible and early Christianity, Travis Proctor received his Ph.D. in Religious Studies from UNC-Chapel Hill, specializing in ancient Mediterranean religions. His teaching and research draw from interdisciplinary fields like religious studies, environmental history, animal studies, space & material culture, and ritual studies.
His first book, Demonic Bodies and the Dark Ecologies of Early Christian Culture (Oxford University Press), explored how early Christian theorizations of demonic bodies influenced ancient understandings of cosmic “ecosystems,” and how such historical perspectives may inform contemporary environmental ethics.
His work has appeared in academic journals such as the Journal of the American Academy of Religion, Journal of Early Christian Studies, Harvard Theological Review, and the Journal of Ecclesiastical History, as well as public venues including Bible Odyssey, Religion for Breakfast, Religion Dispatches, The Bart Ehrman Blog, and the “Tell Me Something I Don’t Know” podcast.
He lives in Ohio and enjoys hiking outdoors, a good round of disc golf, and watching Kansas City Chiefs football (even before Taylor Swift!).
FAQ's
The regular price for semester-length university-level courses is typically $2,000 to $4,000. While we do not offer college credit, we value this course at $995. However, you can now purchase the full course, including lifetime access to ALL 26 lectures, Q&As, quizzes, and bonus materials, for the SPECIAL 26-lecture early bird price of just $295.
This course includes twenty-six 50-minute lectures with Q & A sessions presented by Dr. Travis Proctor
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Once you have purchased your course you will receive instructions via email to log on to our online course platform, ThriveCart. If you're in BSA, you will access this course through the BSA platform.
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Absolutely! If you don't love the course send us an email at support@bartehrman.com and we will refund 100% of your investment. You will have 30 days from the date of purchase or in the case of BSA, 30 days from the date of your first payment.
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