May the Force Be with You - S3-E5
Slater: Remember the days Del, all us lads down at the river playing Pirates? Trigger was Long John Silver, Boycie was the shipmate...what character did I play, Del?
Del: You played the bloke that walked the plank.
Slater: Yeah that's right, I was always the bloke that walked the plank. I was in and out of that water more times than a duck's head! I always wanted to be Blue Beard!
Del: Well you should've asked.
Slater: I did, but you'd never let me!
Del: I did...once.
Slater: Oh yeah, I remember that was the day that Blue Beard had to walk the plank, wasn't it.
Chosen answer: An apparent long string of illnesses.