10 Things To Do This Sunday in Boston

Granted, we know what you're doing from 1 p.m. onward. However, if you're free before the Pats/Sox showdowns, consider yourself covered.

Columbus Day Parade
10:02 a.m., from Suffolk Downs Parking Lot to Maverick Square

EMMANUEL MUSIC: Bach Cantata BWV 25
10 a.m., Emmanuel Church, 15 Newbury St.

Fall ArtWeek
Varying times, Citi Wang Theatre

Launching A Legend: 219th Birthday of the USS Constitution
9 a.m., USS Constitution Museum, Charlestown Navy Yard

BAA Half Marathon
8 a.m., Franklin Park

Cask ‘n Flagon Puts on Its Game Face for ALDS Playoffs, Brady’s Return
1 p.m., Cask 'n Flagon, 62 Brookline Ave.

Pier 6 Plans Tom Brady Tailgate
1 p.m., Pier 6, Charlestown

The Midnight Zoo
6-10 p.m., Franklin Park Zoo

38th Annual Harvard Square Oktoberfest
12 p.m., Harvard Square (worth venturing outside Boston proper, we promise)

Honk! Fest
See site for parade, event times, Davis Square and beyond (another worthy event in Cambridge/Somerville)

Photo by Jesse Edsell-Vetter, courtesy HONK! Fest