instant replay
US /ˈɪn.stənt ˈriː.pleɪ/
UK /ˈɪn.stənt ˈriː.pleɪ/

1.
a video recording of an action or event that is played back immediately after it occurs, often in slow motion, for review or analysis, especially in sports.
:
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The referee used instant replay to confirm the touchdown.
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Fans cheered as the instant replay showed the incredible goal.