At the Aposticha, the stichera from the Octoechos, and Glory..., in Tone VIII —

Having set for thyself a feat of prowess, thou didst manfully contend against deception, O Theodore; and with the fiery eloquence of thy tongue didst put to shame the inhumanity of Licinius. Wherefore, rejoicing with the angels, O blessed one, beseech Christ God, that He be merciful to us on the day of judgment.

Now & ever..., of the feast, or Theotokion; or the Stavrotheotokion set forth in Vespers for the Aposticha.