5 Things You Need to Know Today: South Africa Film Series, Kids Sing-Along, Diary of a Madman, More

1. You need to use your brain. Tuesdays there is the "," film discussion series examining apartheid at the . Tonight's documentary is fifth in the seven-part series "Have You Heard from Johannesburg?" 6:30 p.m. Free.

2. You need a night out. Head to , for  Nikolai Gogol's darkly comic short story The Diary of a Madman is adapted for the stage by the astute director Neil Armfield and Australia's adventurous Belvoir (Cloudstreet, 2001 Next Wave; Exit the King, Sydney's Belvoir St Theatre). 7:30 p.m. $25 - $80.

3. You need a (less expensive) night out. Head to , 85 S. Oxford St., Fort Greene, for a production of .  7:30 p.m. $20-45; Student Rush,$15.

4. You need to get the kids out of the house. Head to , 837 Union St., for a . 10 a.m. to 10:30 a.m. $3 per group. Or, check our this week.

5. You need to know if you have to move your car. You do. Alternate side is back in effect, as are meters, according to the NYC DOT website. There are no subway changes affecting Prospect Heights today.