‘The League’

COMEDY. It’s Dirty Randy! It’s Seth Rogen! The “50/50” star makes an appearance as the off-talked about, as-yet-unseen Randy. Just how “dirty” is Rafi’s infamous friend? Well, for starters, he scouts locations for porn. …

Season premiere, 10 p.m., FX

‘Parks and Recreation’

COMEDY. Leslie’s campaign may be dead before it even really begins when her new book about the history of Pawnee creates a media firestorm.

8:30 p.m., NBC

‘The Vampire Diaries’

DRAMA. Klaus asks for the aid of a powerful witch who runs the Moon Goddess Emporium… oh, wait — wrong vampire show. This witch just may have answers to Klaus’ hybrid-army spell problems, which is bad news for Elena, whose death would have made it work.

8 p.m., The CW

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