Are there any narrations in Sahih Bukhari to show that the Prophet Muhammad (s) talked about 12 Imams after him and also about Imam Mahdi (a)?

Are there any narrations in Sahih Bukhari to show that the Prophet Muhammad (s) talked about 12 Imams after him and also about Imam Mahdi (a)?   Bukhari has narrated in his book known as Saheeh al-Bukhari, Hadeeth number 6682, from Jaabir Ibn Samurah: I heard the Prophet (S) saying: There will be twelve leaders, all of them from Quraysh. صحيح البخاري - الأحكام - الإستخلاف - رقم الحديث : ( 6682 ) ‏- …
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