Complex sentence: The final episode of "The Colbert Report" aired on December 18,2014; the character later made his final appearance as a cameo in the "House of Cards" episode "Chapter 27".
Split into simpler sentences: The final episode of "The Colbert Report" aired on December 18,2014. Tthe character later made his final appearance as a cameo in the "House of Cards" episode "Chapter 27".