When the scene first cuts to Henry, we see a sign for a bakery named 'Kindler, Tapping and Wood'. These are the names of the three executive producers including series creator Damian Kindler, leading actress Amanda Tapping and director Martin Wood.
Henry sings 'The Parting Glass'. This Scottish song goes back to the 1600s, and nowadays is most popular in Ireland. Henry sang part of the contemporary version, which didn't appear till after the mid 1800s.
The Bakery sign also says "Nice Buns!".