S7·E10 You Bet Your Butt

Seth and Ashley each make a series of bets to see if either of them, or Les, can purchase any item that comes into the store that they would otherwise dismiss as "junk", including a "Major Dollar" mascot costume and a rusted out Mobil Oil Pegasus logo. But when a set of first-class airline seats (the actual seats, not tickets) come into the shop, they get Les involved in the wager to see whether or not the seats will be bought -- the loser will take over the janitor's job for the final hour of the day.