[{_id:ObjectId("60a8f82df06d8601849b2a01"),"pokemon":[{name:"bulbasaur"},{name:"gulbasaur"}]},{_id:ObjectId("60a8f82df06d8601849b2a02"),"pokemon":[{name:"gulbasaur"},{name:"bulbasaur"}]},]

db.collection.find({"pokemon":{"$elemMatch":{name:"bulbasaur"}}})