What to Watch on Sunday: Shark Week’s ‘Best Bites’ an appetizer for the main event

Shark Week’s 50 Best Bites (8 p.m., Discovery) -- Shark Week doesn’t officially start until next Sunday, so consider this countdown of the 50 greatest Shark Week moments of all time your warm-up. Craig Ferguson, Tracy Morgan and Andy Samberg all chime in.

Sharp Objects (9 p.m, HBO) -- Camille searches for clues at the funeral and wake for Wind Gap’s latest victim.

Endeavour on Masterpiece (9 p.m., PBS / UNC-TV) -- A murder at an army base threatens long-held secrets among a regiment.

The History of Comedy (10 p.m., CNN) -- The second season starts with a look at how sexual humor, one of the oldest forms of comedy, pushes the limits of both comfort and political correctness.