Dennis and Reggie get a visit from the neighborhood mail carrier and play What’s In This Box! Plus an encore episode of, "The Fish With The Killer Kiss!" If you have a question for Dennis, leave him a voicemail at 1-888-7WOW-WOW. Your question might just end up on WeWow on the Weekend! For more WeWow visit https://bit.ly/3nkbEuo. Originally aired 9/30/23. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.