British comic James Acaster (@JamesAcaster) stopped by to talk with Matt and Andy about city rivalries, science marches, conga/flute/didgeridoo combos, Jerusalem Syndrome and Paris Syndrome, human/pig chimeras, cats possibly being as intelligent as dogs, Matt not knowing how big an otter is, giant otter fossils, slowing down light, a light speed sonic boom and James' band Luna Dott Raids the Bee Pigeon.