Dancing with the Stars by Michael Desmond/ABC Dancing with the Stars by Michael Desmond/ABC

Monday's ratings highlights:

8 pm/ET
Dancing with the Stars returned to an audience of 20.9 million total viewers, down a bit from the Season 6 kickoff. Both The Big Bang Theory (9.11 mil) and How I Met Your Mother: Pre-Britney Edition (9.73 mil) were up 14 percent from their last fresh episodes. Canterbury's Law (5.66 mil) dropped 25 percent of its premiere audience.

9 pm
Opposite the last 30 minutes of DWTS, Two and Half Men (14.03 mil) was down 1.3 mil from its last new ep. The Bachelor did 8.96 mil, a 600 thou slip from the previous edition's debut. New Amsterdam pulled 7.3 mil, down another 17 percent. Girlicious (1.57 mil) dipped a hair.

10 pm
Medium (9.9 mil) surged 700K to best a CSI: Miami repeat and the 10 o'clock hour of Bachelor.