Late in the run with WLoD, the game did start with the first puzzle, then as soon as the round was over, they went into celeb intros.
TJW in the early syndie run briefly did a Pyramid-style opening with a montage of bonus game wins.
Money Maze also went Pyramid style showing a montage of at least two bonus wins.
Blankety Blanks started with a sample Blankety Blank which Bill would read and then he picked a celeb to solve it.
Scrabble would have a sample clue at the start.