In which a constitutional change finally happens after a two-hundred-year delay just to spite one Texas poli sci professor, and Ken likes it when scriveners get away scot-free. Certificate #43079.

In which the toy market is revolutionized by a faddish stuffed animal that would be priceless today if it hadn't disappeared, and John buys the concept of a rabbit. Certificate #24398.

In which the great Mediterranean civilizations of the late Bronze Age collapse virtually overnight due to some mysterious visitors, and Ken knows a lot about white broccoli. Certificate #9795.

In which Melanesian eco-revolutionaries fight off helicopter gunships with literal slingshots and homemade diesel, and John makes a shocking announcement about all scientists. Certificate #54146.

In which a curd-heavy side from central Quebec belatedly becomes the national dish of a land with no real national cuisine, and Ken learns so much about Sacramento culture. Certificate #30037.

In which a secret society of plucky Civil War veterans hatches a plan to return Ireland to the Irish bywait for itinvading Canada, and John doesn't think the people who sold him wine coolers actually exist. Certificate #12129.

In which even the most hated typeface in the history of desktop publishing has its defenders, and Ken isn't sure why he owns cargo shorts. Certificate #54861.

In which a flirty but forgotten Tin Pan Alley song leads to the first great moral panic in pop music history, and John sneakily borrows someone else's shanty town. Certificate #12960.

In which a state politician's lack of badminton equipment leads to the invention of the hottest sport of the 21st century, and Ken is slightly present. Certificate #42131.

In which researchers squabble for centuries about the secret ingredient that made one Cremonese craftsman the greatest musical instrument-maker of all time, and John seasons guitars under a bus. Certificate #36611.