bottle episode
n.— «Even though they are moving, for large stretches “Spiral” is a bottle episode.…They are in the Winnebago, or the gas station, and it is a contained story.» —by Roz Kaveney Reading the Vampire Slayer Mar. 18, 2004. (source: Double-Tongued Dictionary)
Further reading
An anadrome is a word that forms a whole new word when you spell it backwards. For example, the word “stressed” spelled backwards is “desserts.” Some people’s first names are anadromes. There’s the girl named Noel...
For rock climbers, skiers, and other outdoor enthusiasts, the word send has taken on a whole new meaning. You might cheer on a fellow snowboarder with Send it, bro! — and being sendy is a really great thing. Plus: a nostalgic trip to Willa...