Limnos 4
From Tardis Wiki, the free Doctor Who reference
Limnos 4 was a leisure planet active during the 23rd century. Its facilities were state-of-the-art in contemporary entertainments and methods of relaxation offering a wide variety of different possibilities such as non-gravity swimming pools, sleep-reading stations, accelerated learning experiences, and possibly robotic gladiatorial games. (DW: The Leisure Hive)