The team splits Penny Marshall's duplex penthouse into two apartments.

Anitra Mecadon gives the Pearce family a killer place to chill.

Anitra pulls out all the stops to give the Luckie family a sporty mega den.

Designer Anitra Mecadon converts a detached shed into a mega den.

Anitra Mecadon and the brothers Scialabba build a killer indoor treehouse.

An attic space becomes a mega den with a "space station" for the kids.

Anitra helps turn a basement into a tricked-out, high-tech Mega Den.

Paul and Darcey have an attic in desperate need of help!

Greg's display of taxidermy has his family on edge, so Anitra has a plan.

A grand-yet-cluttered hall of shame turns into a functional hall of fame.

With baby number two on the way - time to transform Scott's bachelor pad.

Alison and Bruce's rec room is a wreck that hasn't been updated in decades.

Natali and Chris Gill loved their new ranch house - at first.

Anitra and the Scialabbas are ready to update this family's bland home.

Anitra and the crew create a wide-open family-friendly space.

Anitra and the Mega Dens crew invade DIY Network's 2011 Blog Cabin.