Database
[{_id:1312312,title:"TitleofObject3",series:"SeriesName",},{_id:11,title:"TitleofObject2",series:"SeriesName",},{_id:13123123123,title:"TitleofObject",series:"SeriesName",},]
Query
db.collection.aggregate([{"$match":{"_id":13123123123,"sameSeries":{"$exists":false}}},{"$lookup":{"from":"collection","localField":"series","foreignField":"series","as":"sameSeries"}}])