The action-fantasy series “Supernatural” is in its 15th and final season, and one of its stars admits to having to do some “soul searching” to figure out his next life chapter. Misha Collins, who plays Castiel, may have a new career as a cookbook writer; he and his wife Vicki recently penned “The Adventurous Eaters Club: Mastering the Art of Family Mealtime.” The cookbook is a guide for parents who want to involve their children in the cooking process. #InsideEdition