The Big C focused on life and death this week.

Next Monday, though, the Showtime dramedy will really gets serious: it will tackle the topic of sex.

Look for Paul and Cathy to run into some problems in that area, only to receive help from an unlike source: Andrea, who also moves in with the couple. Elsewhere, Rebecca will struggle with seduction issues, while Adam will find another female companion...

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.