The Doctor mentions he had a “new haircut”. He is later seen in a suit at Darillium, all in line with what she tells the Tenth Doctor. River would also mention”what a night that was” when referring back to Darillium, as it turned out to be far longer than she expected. (Forest of the Dead)
The Doctor has avoided Darillium, and is shown to be tearful when he finally makes good on his final date with River.
The Doctor onsce again rewards someone with the means to gain a substantial amount of money. (School Reunedition, The End of Time) Interestingly, several people who have encountered The Doctor around Christmastime have now found themselves coming into large sums of money. (Voyage of the Damned, The End of Time)
The roundels are once again used for storage purposes. In this instance, River has hidden alcohol inside a cupboard behind one of them, to The Doctor’s surprise.
The TARDIS is able to produce a pair of holographic antlers for The Doctor.
River indicates she often steals the TARDIS and returns it before The Doctor notices.
When someone is both inside and outside the TARDIS at the same time, it can’t take off
River states that The Doctor has planned to take her to Darillium numerous times but has always cancelled at the last minute.
River Song owns the bookHistory’s Finest Exploding Restaurants with the tagline”The Best Food for Free, Skip the Coffee”. She used it as a source when plotting her escape from the meteor strike that hit the Harmony and Redemption.
River is now 200 years old, revealing she has an augmented lifespan- whether she is referring to the lifespan of a Time Lord or an artificially extended lifespan is unknown.
River has a unique perfume spray that lets her change her clothes as she pleases.
