Some ratings from the VCHip 

1. The Power: TV-PG-L (hell, shit, pissed)
2. Just Set Up the Chairs: TV-PG-V (the Destroyer of World murders)
3. Caffeinated Concert Tickets: TV-PG-D (lady pecs = boobs, real reason people go to concerts is too see hot girls)
4. Death Punchies: TV-PG-V: (death kwon do, Rigby's bare ass)
5. Free Cake: TV-PG-L: (pissed)
6. Meat Your Maker: TV-PG-L-V (pissed, cannibalistic hot dogs)
7. Grilled Cheese Deluxe: TV-PG (purple nurple, suggestive touching)
8. The Unicorns Got to Go: TV-PG-D-V (lady flashbacks, risque goth lady, eating crotch balls, attack of the unicorns)
9. Prank Callers: TV-PG (brain tumor)
10. Don: TV-PG-D (Don reveals all the characters are naked, sugar seems gay)
11. Rigby's Body: TV-PG-L (sucks, turds)
12. Mordecai and the Rigbys: TV-PG (crotch humps)
13. Ello Govnor: TV-PG-V (evil taxi)
14. It's Time: TV-PG-D (Rigby tongue-kissing Margaret, discussing how good movies have sex)
15. Appreciation Day: TV-PG (nothing wrong)
16. Peeps: TV-PG (implied naked Pops)
17. Dizzy: TV-PG (implied naked Pops)
18. My Mom: TV-PG-D (my mom jokes imply sex)
19. High Score: TV-PG (GBF kicked in the crotch)
20. Rage Against the TV: TV-PG-V (kick him in the junk, Hammer's killings)
21. Party Pete: TV-14-D (guests with breasts line, breast zoom-ins, sexual dancing with Pops, Pete's groin lump shown)
22. Brain Eraser: TV-14 (naked Pops seen throughout whole episode, implied long penis scene, junk)
23. Benson Be Gone: TV-PG (nothing wrong)
24. But I Have a Receipt: TV-PG-V (the stabbing)
25. This is My Jam: TV-PG (gutters, crotch humps)
26. Muscle Woman: TV-14-D-S (junk, tongue-kiss, big breasted Starla)
27. Temp Check: TV-PG (nothing wrong)
28. Jinx: TV-PG-V (Jinx monsters attack, NSFW remark on dirty raccoon, naked people)
29. See You There: TV-PG (nothing wrong)
30. Do Me a Solid: TV-PG (shake weight)
31. Grave Sights: TV-PG-V (zombies)
32. Really Real Wrestling: TV-PG-V (wrestlers)
33. Over the Top: TV-PG-V (Rigby's death)
34. The Night Owl: TV-PG-D (second base
35. A Bunch of Baby Ducks: TV-PG
36. More Smarter: TV-PG
37. First Day: TV-PG
38. Go Viral: TV-PG (panties)
39. Skunked: TV-PG
40. Karaoke Show: TV-PG
41. Stick Hockey: TV-PG (chinese man named Chong, like ching chong
42. Bet to Be Blonde: TV-PG (blonde stereotypes)