Database

[{_id:13123123123,title:"TitleofObject",series:"SeriesName",},{_id:1312312,title:"TitleofObject3",series:"SeriesName2",},{_id:11,title:"TitleofObject2",series:"SeriesName",}]

Query

db.collection.aggregate([{"$match":{"_id":13123123123,}},{"$lookup":{"from":"collection","localField":"series","foreignField":"series","as":"sameSeries"}},{"$project":{_id:1,series:1,title:1,sameSeries:{"$slice":["$sameSeries",-1]}}}])

Result