Sam is told he can return home if he does three things, which includes saving the younger version of himself, who has been kidnapped by his father.
Did You Know?
Another "it always comes back to David Bowie" reference - Det. Carling is quite unkind to Ruth Tyler when she's reporting her son missing, and as Carling and another detective are leaving to find them, she mutters "Look at those cavemen go." It's a line from the chorus of the song for which the series is named. See more
In the series finale as Sam is searching the boat for his father armed with a rifle, the rifle changes from a Ruger Mini-14, to a Kalasnikov (AK-47) type rifle in one quick closeup shot. The next shot then shows him still holding the original rifle. This is noticeable because of the distinctive gas tube over the barrel on an AK unlike the bare barrel of a Mini-14. See more
[Det. Carling and another detective are leaving, Starsky & Hutch style, to look for the two Sam Tylers
Look at those cavemen go!
The show logo counts upward from 2008 to 2035 at the end rather than down to 1973 as in all other episodes. See more
References The Wizard of Oz
Mona Lisa's And Mad Hatters
Performed by Elton John
Courtesy of RCA See more