When Shirley Hastings finally rips the calendar pages off in anger shouting, "It was his year," some of the pages underneath also show days marked off and the Pan-Pacific date circled in red.
At the Pan Pacific Grand Prix Les is seen standing next to Shirley Hastings on the dance floor cheering Scott on, yet momentarily, 6 shots later he is seen sitting second from the left on the high table on the stage with Barry Fife. He is in two places at one time.
When Doug Hastings begins improvising new steps in the flashback, there is a great deal of glitter on the floor in the close-up, but the floor is clean in the full-body shots.
When Fran's Grandmother is beating the rhythm on Scott's chest, the neckline on his undershirt goes up and down between shots
Fran's hair changes during her conversation with Scott outside her shop.
In the flashback sequence from 1967 Shirley and Doug dance to a boogie-version of John Paul Young's "Yesterday's hero", which was first released in 1978. However since this flashback turns out to be a lie by Barry Fife this could be deliberately.
When Doug leads Shirley onto the dance floor he asks, "Shall we dance", but his lips don't move at all.
During one of the dancing on the roof scenes, a crew member's head can be seen.
Visible in the mirror at the end of Scott's solo dance.