The Edge of Forever: Episode 40 (Patreon)

To save his own personal timeline, Spock travels backwards in time and kill his dog ("Yesteryear"). To save a planet in the path of a hungry space cloud, The Enterprise enters said cloud's digestive tract where Spock pulls a Professor X ("One of Our Planets is Missing"). And to save her lovestruck male crewmates, Lieutenant Uhura takes command of the ship and gets shit done ("The Lorelei Signal"). Also: Dan resurrects a World's Finest Podcast character.