2026 Twisted Holiday Festival: 24 New Theater Performances in SF (Dec 4-20) PlayGround closes out the summer season with the inaugural Twisted Holiday Festival, December 4th – December 20th, 2026, at Potrero Stage and simulcast. This three-week “fringe style” new works festival features 8 productions and 24 performances of new holiday-themed works (with a twist!) by talented ...