Now that the semester is well under way, take your mind off school work during this long weekend and and check out these affordable activities.

Cupid’s Undie Run

Stage 48, 605 W. 48th St.

$40-60

Do you love to run? How about in your underwear? Then the Cupid’s Undie Run this Saturday is for you. The course is only a mile long, and all proceeds go towards finding a cure for Neurofibromatosis, a rare genetic disorder. So get a few friends together, register and strip down!

Littlefield

622 Degraw St., Brooklyn

$5-15

More in the mood for a show? The performance venue Littlefield in Brooklyn has a packed schedule for this lovely holiday! Are you single and need laughter to lift you? Or in a relationship but need some comedic relief? You’re in luck. There are shows Friday, Saturday and Sunday evenings. Check out the calendar on littlefieldnyc.com to purchase your tickets.

Enchantment Under the Sea Dance Party

Videology, 308 Bedford Ave., Brooklyn

$22

Videology Bar and Cinema in Williamsburg presents its “Under the Sea Dance Party.” For one night only, the venue is taking you back to the 1950s for an old-timey high school dance. Yes, there will be drinks for the over-21 crowd, and happy hour will be extended until 8 p.m. A live band begins at 10 p.m., and a DJ will keep the party going until 4 a.m. Tickets are available online.

Dance on Camera Festival

Lincoln Center For The Performing Arts, 70 Lincoln Center Plaza

$11 for students

Make a day of this Monday off by attending the Dance on Camera Festival at the Walter Reade Theater. The festival goes on through Feb. 16 with a series of films and photography focusing on dance. There are at least four films a day and one photo exhibit each day. Check online for times!

Grammy Viewing Parties

The HuckleBerry Bar, 588 Grand St., Brooklyn, and Dublin6, 575 Hudson St.

Free

The 58th Annual Grammy Awards will be held Monday and the show will begin at 8 p.m., so you don’t want to miss it! If you don’t have a TV, or if you just want to spend the night out, you can find free viewing parties at The HuckleBerry Bar and Dublin 6.

Email Callie Chute at [email protected].