19 times Jon Stewart came out of retirement to stir up controversy, fight for 9/11 first responders, and make us laugh

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Jon Stewart.

• In early 2015, Jon Stewart retired as host of "The Daily Show" after 16 years at the helm. He left with a warning for his audience that "bulls--- is everywhere".
• Since then, Stewart has made some surprising reappearances, stirring the pot, making us laugh, and fighting for the 9/11 first responders.
• From rescuing animals to annoying John Cena, here's what he's been doing.
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Although he retired from "The Daily Show" in 2015, Jon Stewart has been keeping busy with a number of unexpected appearances.

He's defended his former colleagues, called out the media and President Donald Trump, saved a couple of wayward goats, questioned a pony, and entered the ring with John Cena.

Here's what he's been up to since he left television.