Sahih al-Bukhari 597
صحيح البخاري#597Sahihحَدَّثَنَا أَبُو نُعَيْمٍ، وَمُوسَى بْنُ إِسْمَاعِيلَ، قَالاَ حَدَّثَنَا هَمَّامٌ، عَنْ قَتَادَةَ، عَنْ أَنَسٍ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " مَنْ نَسِيَ صَلاَةً فَلْيُصَلِّ إِذَا ذَكَرَهَا، لاَ كَفَّارَةَ لَهَا إِلاَّ ذَلِكَ ". {وَأَقِمِ الصَّلاَةَ لِذِكْرِي} قَالَ مُوسَى قَالَ هَمَّامٌ سَمِعْتُهُ يَقُولُ بَعْدُ {وَأَقِمِ الصَّلاَةَ لِذِكْرِي}.وَقَالَ حَبَّانُ حَدَّثَنَا هَمَّامٌ، حَدَّثَنَا قَتَادَةُ، حَدَّثَنَا أَنَسٌ، عَنِ النَّبِيِّ صلى الله عليه وسلم نَحْوَهُ.
Narrated Anas:The Prophet (ﷺ) said, "If anyone forgets a prayer he should pray that prayer when he remembers it. There is no expiation except to pray the same." Then he recited: "Establish prayer for My (i.e. Allah's) remembrance
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 9:72