The most common and most likely answer to this crossword clue is the 7 letter word REWINDS
I've seen this crossword clue in The Guardian
R
E
W
I
N
D
S
More clues leading to the result REWINDS
Buddy explains!
The straight part
We know that "Prepares again to watch" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case prepares again to watch = rewinds.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does REWINDS mean?
REWINDS noun- The act of rewinding.
- A button or other mechanism for rewinding.
- To wind (something) again.
- To wind (something) back, now especially of cassette or video tape, CD, DVD etc.; to go back on a video or audio recording.
- To go back or think back to a previous moment or place, or a previous point in a discourse.