Phobias: Fear of time?

Questions

What actor filled in as a big brother on the Junior camper river-rafting trip??

How many burgers does Homer order from the Krusty Burger on an off-shore oil rig??

What is the real name of the baby-sitter bandit??

What is the episode number of "Bart gets hit by a car"? (shown at the beginning of the episode).?

Who is the first dead man to help Bart and Lisa unravel Sideshow Bob's electoral fraud??