Run (or walk, your decision) a 5K course that takes you through zones of colored foam or checkpoints where people hurl gobs of colored powder at you. Sounds messy, and it is. But they don't call this the "Happiest 5K on the Planet" for nothing. At the very least, you'll finish with a smile on your face and one extremely colorful T-shirt. Kicks off at 9 a.m. Saturday outside Oriole Park at Camden Yards, 333 W. Camden St. $14.99-$49.99. thecolorrun.com.
You know, "Et tu, Brute?" and all that. William Shakespeare's historical drama of power and betrayal in ancient Rome is put into a contemporary setting by the folks at the Chesapeake Shakespeare Company. 8 p.m. previews Wednesday and Thursday, then officially opens with an 8 p.m. performance Friday and runs through Oct. 29 at the company's theater, 7 S. Calvert St. $16-$50. chesapeakeshakespeare.com.
He's a veteran of the Blue Collar Comedy tour, he's competed on "Dancing with the Stars" (finishing fourth, which is pretty respectable) and if you haven't checked out his "My 2 Cents" podcast, you probably should. Saturday, Engvall brings his "Just Sell Him For Parts" tour to the Modell Performing Arts Center at the Lyric, 140 W. Mount Royal Ave. 8 p.m. $36-$56. modell-lyric.com.
An assortment of games, from tabletop and card-based models to virtual reality experiences, all designed by students at the Maryland Institute College of Art, will be available for play from 1 p.m. to 5 p.m. Saturday at MICA's Dolphin Design Center, 100 Dolphin St. Free. mica.edu.
For those who care about history and historic preservation in and around Baltimore, a day of mingling, conferencing and workshopping, on pretty much any topic y'all decide. 8:30 a.m.-4 p.m. Friday at the Baltimore Museum of Industry, 1415 Key Highway. $10-$15. bmorehistoric.org.
'Battle of the Sexes'
Travel back to 1973, when a well-past-his-prime Bobby Riggs, Wimbledon champ 34 years earlier, challenged reigning (and five-time) Wimbledon champ Billie Jean King to a winner-take-all tennis match, insisting that even a 55-year-old recently un-retired male pro like him could beat the best the women's game had to offer. Steve Carell and and Emma Stone play Riggs and King. In theaters Friday.
Evil Hate Monkey's Burlesque Menagerie
For his first appearance in Baltimore since 2015, the Evil Hate Monkey promises a "Bestial Barnyard Burlesque Ballyhoo," with appearances from Mr. Gorgeous, Lil' Miss Lixx, Cheekie Lane, Boo Boo Darlin' and Kay Sera, with Scotty the Blue Bunny as your host. 9 p.m. Saturday at The Ottobar, 2549 N. Howard St. $17-$20. theottobar.com.
Blazers, Bourbon and Cigars
An evening tailored for the sophisticated among us, with bourbon, scotch, and whiskey tastings, accompanied by cigars, food from some of the area's top chefs and goodies from an assortment of vendors. 6 p.m. (5 p.m. for VIPs)-9 p.m. Thursday at the William Paca House and Garden, 186 Prince George St. in Annapolis. $75-$500. annapolis.org.
'Saturday Night Live' season premiere
SNL returns for season No. 43, with host Ryan Gosling (think there'll be a "La La Land" reference?), music from Jay-Z and, we're betting, an appearance from Emmy winner Alec Baldwin as President Donald Trump. 11:30 p.m. Saturday on NBC.
Lizards, turtles, snakes, maybe even a 'gator or two — everything for the discerning herpetologist. 10 a.m.-5 p.m. Saturday, 10 a.m.-4 p.m. next Sunday at the Maryland State Fairgrounds, 2200 York Road in Timonium. $5-$12, free for kids 4 and under. repticon.com.