Crossed Wires by Palgrave
Buffy / Doctor Who | Third Doctor | Short story, complete

In which Buffy jumps to conclusions, but really, it's the Doctor's own fault for wandering Sunnydale dressed like that.

Legend by ShayneT
BtVS / Star Trek TNG | TNG season 3 | Novel, complete

Captured by an alien collector, Data discovers a 21st century android and a stasis capsule containing a notorious figure from the Eugenics Wars - Buffy Summers.

Grim Reality by JK Philips
BtVS | Season 6 | Short, complete

A dark and disturbing alternate ending to "Normal Again".