Revealing mistake: Throughout numerous episodes while the team is supposed to be driving the van, the gear selector can be seen in the "park" position.
Revealing mistake: When Iola's quilt shrinks in the dryer at the end of the episode, the individual squares do not shrink. Instead, there are simply fewer of them in each direction.
The Return of the Seven (1) - S2-E1
Revealing mistake: When Dennis is picking up Vicky from the hairdressers in the Jag, you can see people standing around watching the filming.