Short Attention Span Review: "Terminator: The Sarah Connor Chronicles" 3/13

Derek's back! Some! But first...

...John Henry wants to play a game and Ellison's not amused. But Shirley Manson gets a bit of a kick out of it.

Meanwhile, Riley's dead and Cameron's a prime suspect.

And somewhere in the future-past: Jessie plays Hunt for Red October in Skynet country.

To be continued? WHAT THE HELL?!