What’s new on the electric eyeball tonight:

Warehouse 13 (Syfy) Fall Finale: Artie’s gone batshit power-crazy, and it’s up to the W13 gang to save him … or kill him. Oh, don’t worry about it—this isn’t Sons of Anarchy, people.---

IHeartRadio Music Festival (The CW) 2-Hour Special: Featuring stiff, tightly constrained “live” performances from Usher, Bon Jovi, Taylor Swift, Swedish House Mafia, Pink, Aerosmith, Rihanna, No Doubt, Lil’ Wayne, Miranda Lambert, Brad Paisley, Enrique Iglesias and probably not this particular hissy fit by Green Day …

2 Broke Girls (CBS) In classic sitcom style, all 2 Broke Girls episodes are titled “And the …” something; this week, it’s “And the Pearl Necklace.” They beat you to it, porn parodists! Suck on that! Or don’t. Never mind. But seriously, a 2BG transition from sitcom to porno would be disturbingly smooth …

Also new tonight:
Dancing With the Stars, Castle (ABC); How I Met Your Mother, Partners, Mike & Molly, Hawaii Five-O (CBS); The Voice, Revolution (NBC); Bones, The Mob Doctor (Fox); The Real Housewives of New York City, Gallery Girls (Bravo); Major Crimes (TNT); Anthony Bourdain: No Reservations (Travel); Hoarders, Intervention (A&E); Switched at Birth (ABC Family); Inbetweeners, Ridiculousness (MTV); Alphas (Syfy); The Bad Girls Club: Mexico (Oxygen); WWE Monday Night Raw (USA)