Actor Brad Pitt recruits Drew and Jonathan to help him surprise his friend of 30 years by renovating her detached garage; they turn her 400-foot unit into a guest suite, makeup station and storage area with bonus features and fun pop-ups.

Melissa McCarthy heads to Chicago to give back to her aunt and uncle, both retired cops. Melissa creates an upstairs retreat where her aunt can cook and entertain, and a downstairs man cave equipped with all the comforts her uncle deserves. Written by HGTV

Viola Davis heads to Minneapolis to surprise her acting school roommate and best friend of 30 years with a home renovation. Viola works with Jonathan and Drew Scott to create a peaceful sanctuary where this doting mom can finally put herself first. Written by HGTV

Michael Buble pays tribute to his grandfather by fulfilling his final wish: to provide his caretaker with a place to live with her family. Michael calls on Drew and Jonathan Scott to help him renovate his grandfather's house before surprising her with it. Written by HGTV

Rebel Wilson's newly married hairstylist and best friend spent all of her savings to buy a home, leaving the couple with barely any money to renovate their backyard. Rebel works with Drew and Jonathan Scott to turn her barren space into an outdoor oasis. Written by HGTV