'Harley Quinn' Season 3 review: DC's irreverent cartoon series is not so serious

Harley Quinn Season 3 begins with a bang — or, well, banging to be more accurate.

Picking up where Season 2 left off, runaway bride Poison Ivy (a smirking Lake Bell) and her "gf bff" Harley Quinn (an ever-spunky Kaley Cuoco) are on the run from the law (in a stolen invisible jet!), relishing in the honeymoon phase of romance...