A partial — but nonetheless lengthy — list of occasions/reasons/situations that are an awesome fit for improv:
Team-building, on-boarding new employees, sales skills, birthdays, anniversaries, holiday parties, bachelor or bachelorette parties, reunions, date night, alternative to board games night, connective activity for geographically-separated couples, empowerment and coping skills for introverts, amazing way for ESL people to get better in English, personality booster, brain challenge, creation of new neural pathways delaying dementia, kids, confidence for teens, social skills, meet new people with a great sense of humor, time zone that doesn’t fit other online offerings, brainstorming session, gatherings of friends, just for laughs, and of course — any reason at all.