Best-bets for May 18: Sheldon and Meredith lead finale flurry
1) “Grey’s Anatomy” season-finale (shown here), 9 and 10 p.m., ABC. One of the longest-running dramas in TV history wraps its 19th season. (Next year, it ties “Gunsmoke,” trailing “NCIS” and a pair of “Law & Order” shows.) The finale revolves around the wedding of Doctors Simone Griffith and Trey Delgado, in her grandmother’s backyard. That forces Meredith (Ellen Pompeo) to meet her ex-boyfriend Nick; it’s Pompeo’s first return since dropping out as a regular. Read more…