TV highlights: Miley's Bangerz tour comes to NBC Sunday night

A football player and a homecoming queen fall in love but then the husband is found stabbed to death, and it's up to "Dateline NBC" (NBC at 8 p.m.) to uncover the mystery behind who did it. The remaining un-aired episodes of the canceled "Bad Teacher" (CBS at 8) run back-to-back on consecutive Saturday nights starting tonight with two episodes that involve Meredith getting Botox and accelerating her plan to remarry.