The title for this episode comes from the poem Childe Harold's Pilgrimage by Lord Byron:

On with the dance! let joy be unconfin'd;
No sleep till morn, when Youth and Pleasure meet
To chase the Glowing Hours with Flying feet.

which turns out to be a perfect metaphor for the roaring twenties. (Observation by Darrel C Karl.)

Date: Summer 1919 (from opening caption). The Peace Day victory parade, with which the episode opens, was on July 19th.

This episode marks the first appearance of Lily Hawkins, played by Karen Dotrice. Then, as now, she was best known for her role as Jane in Mary Poppins.

Lily background: A comment in The Joy Ride indicates she started work at 165 in May 1919. This agrees with the dating given later in The Joy Ride.

Rooms: We see 165's nursery again, but it looks different from what was shown in Out of the Everywhere.

Goof: The route given for the parade is accurate (not simply adjusted to go near Eaton Place for the convenience of the TV show!) However, the procession was scheduled to go past the Belgrave Square area around 10.10, not 10.40 as stated in the episode (1'44").

Mr Hudson background: His father was head gillie for Lord Invergordon of Argyllshire (3'40") (cf. Will Ye No Come Back Again).

Georgina's medal is the 1914-15 Star.

Edward background: He and Daisy have left Eaton Place. A comment in A Place in the World dates their leaving to around December 1918. Edward currently works as a door-to-door salesman.

Daisy background: She is pregnant. The baby is due "come Christmas time". So, she is about four months advanced.

Frederick background: Norton – James' old batman – is now footman at Eaton Place. His name is Frederick. He seems fairly new to the job, though it is not stated exactly when he started work at 165.

The tune James puts on the gramophone at 14'03" is Darktown Strutters' Ball, a popular jazz tune from 1917 written by Shelton Brooks.

Rooms: The telephone has moved. It now seems to be in the corridor outside Hudson's pantry, rather than inside it (16'39"). The telephone number Hudson begins to give ("Sloane 30...") matches the one given in Women shall not Weep (but see goof below).

Goof: Reader David Village writes: "I was reading about 165's phone number. You might be interested to know that London's Sloane telephone exchange didn't actually open until 1925. I wonder if they actually looked into it, or just hoped that years later some retired GPO telephone operator wouldn't spot it!"

Richard background / Virginia background: They went to Paris for the signing of the Treaty of Versailles (June 28th) and their honeymoon. It is not stated exactly when they were married. The war being over, Richard has given up his admiralty position.

Goof: Richard bashes the decanter as he puts it down (25'45").

Goof(?): Richard says (at 26'56") that Virginia and he have been looking at a house in a Clarendon Street, just north of Hyde Park. The writer may just have selected a street name at random, but if he intended it to be a real place, then there is no Clarendon Street in that area. There is a Clarendon Road, however, which looks eminently suitable. (There is a Clarendon Street further south in London, however, also with the kind of houses Richard and Virginia might choose.) (Thanks to Jonathan Brennand for sending this one in.)

Goof: When Lily puts the jug of lemonade on the tray in the kitchen, the handle is pointing away from her. When she ascends to the hall, the handle is towards her. The cloth on the tray is also arranged differently. (39'25")

We meet William and Alice – Virginia's children from her first marriage – for the first time. The roles are played by Jonathan Seely and Anne Yarker, respectively.

At 41'33" Georgina and Alice play Chopsticks on the piano. The piece was originally called The Celebrated Chop Waltz and was written in 1877 by Euphemia Allen under the pseudonym of Arthur de Lull.

Virginia background: She can play the piano (45'30").

The tune Virginia plays on the piano is Alice Blue Gown from 1919 (music: Harry Tierney / lyrics: Joseph McCarthy). There is a possible goof here as the show from which this tune came (Irene) didn't open until the November of 1919, a few months after this episode is set.

Goof: Anne Yarker drops her hat on the stairs (48'14").

For Season Five, each episode includes a copyright notice at the bottom of the director caption card.