Mission: Improbable
- Episode aired Apr 2, 1991
![Davis Rules (1991)](https://m.media-amazon.com/images/M/MV5BYWEyYzJlNWYtMzAzNC00ZTg3LThjZWEtMDMzYzUyNjQzMDcwXkEyXkFqcGdeQXVyNjc3MjQzNTI@._V1_QL75_UY281_CR1,0,190,281_.jpg)
It's time for Gunny's birthday and keeping his surprise party a secret turns out to be an impossible mission. But Dwight has a surprise or two that Gunny doesn't expect.It's time for Gunny's birthday and keeping his surprise party a secret turns out to be an impossible mission. But Dwight has a surprise or two that Gunny doesn't expect.It's time for Gunny's birthday and keeping his surprise party a secret turns out to be an impossible mission. But Dwight has a surprise or two that Gunny doesn't expect.