Miles is given an ImpSec assignment where he actually does courier duty as his ImpSec file says his role is.
Sam and Dean hunt a monster on board the Triumph. (Unrelated to Salt, Iron and Barrayar)
James is desperate for a date with Lily Evans. So desperate in fact, that he'll agree to Lily's conditions, including apologizing to Snape. This will end well...
James is convinced there's a werewolf at Hogwarts. Sirius and Peter aren't so sure...