| Season 2, Episode 12|
| Written &|
"Sweet Sixteen" is the twelfth episode in the second season of CamDog and ACat's episodes. It is the thirty-eighth episode overall.
Finn and Marceline set up a surprise party to celebrate Attie's sixteenth birthday.
- Waitress (in flashback)
- Flambo (in flashback)
- Gargelle (mentioned, in flashback)
- Cinnamon Bun (in flashback)
- Lumpy Space Princess (in flashback)
- Goo Monsters
- Princess Bubblegum
- Lady Rainicorn
- Peppermint Butler
- Party God
- The Lich (possessing the snail)
- Party Pat (indirectly)
- Flame Princess
- Lake King
- This episode takes place the day after the previous one.
- ACat has confirmed that when Finn says he knows someone who's really great at partying but is probably to busy to come, he's referring to Party Pat.
- Tai is wearing his ring in this episode.
- This episode reveals that cars still exist in Ooo and that both Lola and Tai own one.
- In the crowd of Goo Monsters attacking Tai and Attie, the zombified James can be seen, confirming that they are the same ones from "James".
- Every main characters appears in this episode in some way.
- SPOILER: Jake was originally supposed to find a positive pregnancy test in the trash can in Simon and Betty's room at the end of this episode. This was changed when ACat decided that the party should be hosted at Marceline's house, not the Tree Fort. It is confirmed that Betty will personally announce her pregnancy at the end of the season instead.