For in-store pickup only and with stock varying by ZIP code, Target offers Cosmos: A Spacetime Odyssey on Blu-ray for $19.99. That's $3 under last month's mention of a shipped unit and the lowest price we've seen. (It's also a current low by $12.) This revival of Carl Sagan's 1980 series is hosted by Neil deGrasse Tyson.
Need it in time for Christmas? Orders placed before 7 pm are usually ready to collect within two hours, while orders placed after that time are ready the next business day.