Marty disguises himself in order to date a girl he liked when he was living.
Marty brings Grandma to visit Grandpa and restores Casey's pitching arm.
Marty mulls changing history when he discovers he can time travel.
Marty helps Steve land the lead role in a school play.
Disregarding orders, Steve throws a party when he's left alone for the weekend.
When Casey's dad rejoins the family, Grandpa (Jerry Van Dyke) moves in too.
Trouble ensues for Steve and his new flame when Marty brings Katie's doll to life.
Marty reunites with his Uncle Lou in heaven when Steve spends time with Jordan.
All of Katie's wishes come true when she gets hold of one of Marty's wings.
Steve refuses to dissect a frog after Marty gives the frog the power of speech.
Marty turns the family dog into a man for Judy when everyone time travels to 1976.
Marty's poor aim causes Judy, Pam and Katie to fall for the driver's ed teacher.
Marty supplies Steve with historical figures to help make his life perfect.
Steve tries to make the school wrestling team.
Marty blesses Steve with a voice that makes him the star of the school choir.
Steve believes he has a date with beautiful Jessica (Bridget Flanery).
A teen's recently deceased best friend returns as his guardian angel.