The 13th episode of Keeping Up with the Kardashians aired August 25. In this episode Bruce is tired of Jimmy Fallon's jokes, Kim serves the family placenta, and Rob has a new hobby.
Jimmy Fallon continues to poke fun of Bruce's looks. Bruce is invited to go on Jimmy Fallon's show, but he is reluctant. He decides to go on the show, but Kris feels like Bruce will take his anger out on Jimmy. Bruce goes on the show and jokes around with Jimmy. To the surprise of Kris, the interview goes well.
Kim finds out that some women eat the placenta after the baby is born. She tells the family about this discovery and they are disgusted. Feeling offended by the family's reaction, Kim decides to serve the family placenta as a prank. Kim and Kourtney prepare and serve the placenta to the family. Initially, the family thinks it is some sort of mystery meat, but Kourtney reveals that it is placenta. They are all disgusted because they all ate it unknowingly. Later, it is revealed that the placenta was brisket, but the family still thinks it was placenta.
While taking a ride with Scott, Rob discovers a place where he can learn to carve wooden sculptures with chainsaws. He tries making chainsaw art and gets a thrill from it. Making chainsaw art becomes Rob's favorite hobby, however, his chainsaw is disturbing Khloe and Lamar. Khloe talks to Rob about the noise issue and suggests he goes to Kourtney's house to do his art. Rob takes the suggestion surprisingly well. Rob makes his sculpures at Kourtney's house but it also disturbs Scott. He finishes a wooden sculpture of a bear. Kourtney puts it on display in her house, but Scott unknowingly throws it away. Kourtney orders a wooden bear that looks nothing like Rob's bear. Rob comes to the house and sees the new bear. Kourtney tells him that she sent Rob's bear to get lacquered and got a different bear back. It turns out that Rob isn't attached to the bear, so the incident doesn't phase him.