1. Nathan and Amber

Nathan is shedding pounds and heading back to work following his weight-loss surgery, but his wife Amber can't seem to do the same.

4. David & Syreeta

After getting his surgery canceled and living in his van by the beach, surgery might be the break David has been waiting for his whole life.

5. Margaret & Megan

Dr. Now is dismayed when Margaret goes back to her old ways just a few months after surgery, and Megan grows impatient with her slow weight loss.

6. Seana & J.T.

Seana's mind is ready for surgery, but her body still has a conflict with the scale, and J.T. is finally ready to have his leg surgically downsized.