Hanuman Chalisa, Chaupai 14
"sanakādik brahmādi munīsā" is Chaupai 14 of the Hanuman Chalisa, which Tulsidas wrote in Awadhi. It means: Sanaka and his brothers, Brahma and the gods, the great sages, Narada and Saraswati, with Shesha, lord of serpents, Read it slowly, one half at a time, and say the Awadhi aloud.
सनकादिक ब्रह्मादि मुनीसा ।नारद सारद सहित अहीसा ॥sanakādik brahmādi munīsānārad sārad sahit ahīsā
Sanaka and his brothers, Brahma and the gods, the great sages, Narada and Saraswati, with Shesha, lord of serpents,
Tulsidas, Hanuman Chalisa, Chaupai 14, Gita Press reading
This line praises Hanuman or speaks to the reader. It does not retell one episode, so there is no single place in the Ramayana to point to.
Awadhi text: Goswami Tulsidas, Gita Press reading, checked against three Gita Press printings and Rambhadracharya's Mahaviri. English meaning and word glosses: Wisdom's own, following the traditional reading, edited by Ankur Shukla.