VIDEO: John Oliver Tackles Rehab Programs on Last Night's LAST WEEK TONIGHT WITH JOHN OLIVER

The addiction treatment industry is dangerously unregulated. John Oliver explains why many rehab programs should incorporate more evidence-based care and carefully reconsider their doctor-to-horse ratio.

LAST WEEK TONIGHT WITH JOHN OLIVER is the only weekly news-oriented comedy series to be presented on Sunday night. Taped in New York a few hours before it debuts on HBO, the show features a mix of Oliver's topical commentary and pre-taped pieces.

In 2017, LAST WEEK TONIGHT WITH JOHN OLIVER received four Primetime Emmys®, including Outstanding Variety Talk Series, Outstanding Writing for a Variety Series, Outstanding Interactive Program and Outstanding Picture Editing for Variety Programming.

In 2016, it received three Primetime Emmys®, including Outstanding Variety Talk Series, Outstanding Writing for a Variety Series and Outstanding Picture Editing for Variety Programming. In 2015, the show received an Emmy® in the category of Outstanding Interactive Program.

LAST WEEK TONIGHT WITH JOHN OLIVER is executive produced by John Oliver, Tim Carvell, Liz Stanton, Jon Thoday and James Taylor; director, Paul Pennolino.

Check out last night's episode below!