When Nature Calls With Helen Mirren

ABC | 9:00 pm

This comic nature docuseries narrated by actress Helen Mirren wraps up its first season with two final back-to-back episodes. First, "The Optimistic Mosquito" features a normally pesky insect that wants to do good in the world, and a senior wild boar looking for love. Then, in the finale "Omen Cat," a cheetah is haunted by every critter it ever ate.