Ratings: Big Brother Still High, Wife Swap Drops

Live Eviction #3CBS’ Big Brother this Sunday night drew 6.84 million total viewers — a season high — while matching last Thursday’s season’s best 2.4 demo rating.

Week-to-week, the show was up 9 and 14 percent.

Elsewhere:

* ABC’s Celebrity Wife Swap (3 mil/1.0) dropped some 15 percent, while Whodunnit? (2.9 mil/1.0) ticked down 6 percent and a tenth.

* NBC’s Crossing Lines (2.9 mil/0.6) inched up a tenth.

* Fox’s Axe Cop/High School USA! ADHD sneak peek drew 2.5 mil and a 1.1. The series officially debuts Saturday, July 27 at 11/10c.