You can get your LEGO Harry Potter on with the new LEGO Harry Potter Collection, available now on PlayStation 4. This bundle includes both of the LEGO Harry Potter games (i.e., Years 1 - 4, and Years 5 - 7) as well as the DLC packs that were available for those titles.
LEGO Harry Potter Collection supports two players locally throughout the entire campaign, and is available for $49.99.