Mood: The mood of the video appears to be spooky and comedic, with a hint of supernatural elements. The theme seems to revolve around a character who is possibly a ghost or has ghostly encounters, given the title 'Bhoothnath Returns'. The overall emotion conveyed is one of eerie amusement.

Environment: The setting appears to be an old, possibly abandoned or haunted, building with arches and a long corridor. The presence of a large, ornate chair and the character's attire suggest a mix of traditional and modern elements. The environment seems to be dimly lit, adding to the spooky ambiance.