Season 1Edit

Title card Title Viewers
(in millions)
Prod. code Airdate
When World's Collide When World's Collide ? 1011-01 January 1, 2013
Finn meets his long lost brother.
Slumber Party Panic II Slumber Party Panic II ? 1011-02 January 8, 2013
Once again Finn and Princess Bubblegum must protect the Candy Kingdom from a horde of candy zombies they accidentally created. But this time Pen and Nate joins in!
The Princess Bubblegum Assassination Attempt The Princess Bubblegum Assassination Attempt ? 1011-03 January 15, 2013
An assassin tries to kill Princess Bubblegum, and Finn and Pen must find them.
Fionna and Cake II Fionna and Cake II ? 1011-04 January 22, 2013
Fionna and Cake once again return in the episode, this time Flame Prince joins.
Flame Princess Returns Flame Princess Returns ? 1011-05 January 29, 2013
Finn,Jake,Pen and Nate go on an adventure to fight the Ice King, but this time Flame Princess joins.
Pen vs. Mow-Me Pen vs. Mow-Me ? 1011-06 February 5, 2013
Mow-Me, a tiny assassin cat, hides in Pen's sock and orders him to kill Princess Bubblegum or face death.
The Movie Adventure Time with Finn, Jake and Pen: The Movie ? 1011-07 February 12, 2013
Finn, Jake, Pen, and Nate go on there biggest adventure yet to defeat the Lich.

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