The 146th Preakness Stakes (NBC, 5 p.m.) gets a higher profile this year, because the clouded Kentucky Derby winner in dispute, Medina Spirit, is in it. Post time is 6:47 p.m.; preparatory events (NBC Sports, 2 p.m.) begin hours earlier.

A different kind of race, which resulted in this week’s surprising CDC announcement on masks, is documented on “Race for the Vaccine” (CNN, 9 p.m.). 

The Stanley Cup Playoffs begin in prime time with Boston at Washington (NBC, 7:15 p.m.) in Game 1 of the East Division first round series. 

Dev Patel stars in Armando Iannucci’s reimagining of the Dickens tale, “The Personal History of David Copperfield” (HBO, 8 p.m.) which also stars Tilda Swinton, Hugh Laurie and Ben Whishaw. 

The new three-part nature series “China: Nature’s Ancient England” (BBC America, 8 p.m.) takes a look at 10 new national parks in China, beginning with the Qinghai Tibetan plateau in the Western part of the country. 

Kobe Bryant will be among those inducted in the Naismith Memorial Basketball Hall of Fame Enshrinement Ceremony (ESPN, 5:30 p.m.). An enshrinement gala precedes the event at 3:30 p.m.

In the made for TV romance “Sweet Carolina” (Hallmark, 9 p.m.) Lacey Chabert plays a marketing executive returns to her small hometown to become guardian to her niece and nephew only to run into an old high school flame, played by Tyler Hynes.