Chromolume 7

(S06E17) "I know that you have a secret." - Gaby to Angie

'Desperate Housewives' titles are always found in lyrics of songs written by Stephen Sondheim. This week's unusual title is no different. 'Chromolume #7' is a song in the musical 'Sunday in the Park with George.' More precisely, the Chromolume #7 is a color and light machine featured in an act of the musical.

The title fits with Mary Alice's commentary at the end of the episode saying that it's not always easy to see people's true colors and that people hide their true nature from us every day. This week, we got confirmation on Angie's secret, we learned who Sam really is, we discovered how Gaby acted when she was a high profile model, and we met Preston's girlfriend and mustache!