Shameless is officially a hit for Showtime.

Is it too early to make that statement? Not after its pilot episode garnered the network its highest-rated series premiere in seven years.

How will William H. Macy's Frank Gallagher follow up that debut? By getting so drunk that he wakes up in Toronto next week, unaware of what the heck happened. Check out the official preview now for the second installment of Shameless.

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