Season 5 Episode 20
Episode aired may 08, 2001
realizing they may never be able to vanquish glory, buffy and the gang decide to flee sunnydale in spike's r.v. to protect dawn.
according to steven s. deknight, in the original script, the chase scene was a ten-minute long action scene that culminated with buffy getting smacked into a tree and fighting glory with a sheared lamp pole. 'joss read it and said 'this is great, this is wonderful, kubrick couldn't film this in 20 days with five million dollars, so cut everything'. i'm like 'great, okay, that's fine, as long as i get the knights chasing the winnebago'.