Alice gives a vampire some of her blood to get some information on the creature hunting her in episode 3x01 "The Tales of the Seven Keys".
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Cafe where Beverly meets with Trevor Grant to talk about her secret plan in episode 4x08 "The Ex-Files".
Vala is working at a diner when the place is robbed by thugs and she beats them up in episode 10x08 "Memento Mori".
Diego visits a cafe and asks if Kit Nelson has been in to order cherry pie in episode 1x03 "Kit Nelson".