Sailor Moon R (R meaning Romance) is itself in two pieces.<br /><br />The first part (Episode 1-13) features two aliens and an energy-dependent alien tree.<br /><br />The second part (Episode 14-43) focuses around two things: <a href="http://anidb.net/ch7463">Chibiusa</a>, a little pink-haired <a href="http://anidb.net/ch7320">Usagi</a> lookalike who literally dropped out of the sky, and a family of time-traveling enemies out to stop Chibiusa and alter the future to their end.<br /><br /><em>Source: absoluteanime.com/sailor_moon</em>