Lance Armstrong

Lance Armstrong is a bicyclist who has competed in the Tour de France 7 times.

Room to Ride
In "Room to Ride" Lance helps Binky get a petition passed for bike lanes in Elwood City.

The Great MacGrady
Armstrong does not appear until almost one season later in "The Great MacGrady". He gives advice to the kids when the Lakewood Elementary School lunch lady is diagnosed with cancer, since he has battled against cancer himself.

Trivia

 * Both of the episodes Lance Armstrong guest-starred in are rarely, if ever, rerun nowadays following the doping scandal.
 * Per his blacklisted status, he does not appear on the list of celebrity guests at the page for the Arthur TV show at the Marc Brown Studios website.