 But where did Weekend at Bertha's come from? It's hosted by the Merry Pranksters, which date back to the 60s. They were a counterculture group that followed the Grateful Dead in tons of tie-dye on this giant, colorful bus throughout the entire tour. So they've made themselves a name. For more information, go to WDEL.com. I'm Rachel Suga, WDEL, Delaware's news radio. 546 now here on WDEL. We'll see what's happening on the roads next. Traffic watch on the nines. Checking the weekend forecast, too, upcoming.