In what circumstances will evidence be admissible in a criminal case?

In Fernandez v. United States, 329 F.2d 899, 908 (9 Cir. 1964), cert. denied, 379 U.S. 832, 85 S.Ct. 62, 13 L.Ed.2d 40, this court stated the general rule that "(r)elevant evidence which tends to prove a material fact in the case on trial is admissible even though it incidentally shows that the accused committed another offense at a different time and place." The relevance must outweigh the prejudice flowing from the fact that it shows misconduct not related to the transactions involved in the present case. Id.