The brothers tackle their final spaces when Season 4 comes to a close with Jonathan and Drew taking on the front and back yards. Later, the houses go on the market in Las Vegas and whoever makes the most profit wins and donates their proceeds to a local charity.

Jonathan and Drew use some makeover magic to get their guest bedrooms and bathrooms redesigned in time for judges David Bromstad and Tiffany Brooks. The winner gets to put his magician skills to good use when he performs on stage with legendary illusionist David Copperfield.

The brothers compete to see who can design the most efficient and attractive family room, office and laundry spaces with their mom, dad and Egypt Sherrod judging. Whoever wins this round gets to perform on a trapeze in Vegas's legendary Circus Circus act.

Drew tries to sway the judges with some twin telepathy when the Listed Sisters Alanna and Lex LeBlanc come over to judge the master bedrooms and baths. Wayne Newton invites the winner to a private tour of his Vegas estate, while the loser cleans priceless cars with a toothbrush.

The heat is definitely on Jonathan and Drew Scott when Kitchen Cousins Anthony Carrino and John Colaneri come to town to judge their kitchen spaces. Down by one, Jonathan knows it's time to up his game in order to beat Drew, because the loser bares his legs for the crowd dressed as a Vegas showgirl.

Jonathan and Drew Scott have seven days to get their living and dining rooms ready for Vanilla Ice to judge! It's a tight race between Jonathan's midcentury modern makeover of a '60s Vegas rancher and Drew's Hollywood-inspired family home. The winner takes home the crown, while the loser plays the fool in the famed Las Vegas attraction Tournament of Kings.