Mark is a fictional character portrayed by Bayley Wolff in the TV series The Wonder Years.
They appear in 1 episodes out of a total of 32 aired
Episodes1
Home for Christmas
episode S1.E9 december 2021Dean can't wait to spend Christmas with his older brother, Bruce, when he returns home from Vietnam; Bruce struggles to adjust to life back in Montgomery; the rest of the family rely on their favorite holiday traditions to bring cheer.