It's all Comic-Con's fault.

As the resident TV Fanatic critic for Weeds, I failed to cover a major development this week because I fell asleep at about 7 p.m., following a weekend in San Diego. My apologies.

But Heylia made a shocking return to conclude Monday's episode, and her appearance will play a major role on next week's "Object Impermanence." Elsewhere, Andy will introduce a new business idea to Shane and Doug. Check out the official Showtime trailer now:

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