List down the title of episode S20-E1, S20-E2 & S20-E3.
episode S20-E1, S20-E2 & S20-E3 refers to episode_id = 'S20-E1' and episode_id = 'S20-E2' and episode_id = 'S20-E3'
SELECT title FROM Episode WHERE episode_id IN ('S20-E1', 'S20-E2', 'S20-E3');