1- Dream images are often bizarre in that someone may be doing something that is very odd, or something may have an odd or grotesque appearance. This is usually because it is important that we remember the image in order to understand.
2- The mind is capable, within dreams, of creating what may apparently be completly nonsensical. It is only after careful consideration that the dreamer recognises the relevance of the image in his everyday or working life.
3- In spiritual terms the bizarre is most likely to be the product of misunderstood information.... Ten Thousand Dream Dictionary