“Betty White: First Lady of Television” (8 p.m., PBS): Talk about an institution. This special has Ryan Reynolds, Valerie Bertinelli, Carl Reiner, Tina Fey and others paying loving tribute to the 96-year-old dynamo. Included: Clips of her career highlights, ranging from her roles in live 1950s television, though her portrayal of Sue Ann Nivens on “The Mary Tyler Moore Show” and of Rose Nylund on “The Golden Girls,” and more. Lots of laughs and warm memories are guaranteed.
“Letters to 87” (8 p.m., NBC Sports Bay Area): This 30-minute, commercial-free special celebrates the life and legacy of San Francisco 49ers legend Dwight Clark.