What is the TV show that a father is a scientist or something who invents a machine to travel parallel worlds but traps in somewhere, leaving just a mystery message to their kids.
And the kids (one kid is in a wheelchair as I recall) figure out their lost father is trapped in the worlds. They take turns and travel each world one at a time to find their father. These worlds are full of magic, witches and creatures. One time they travel to an Egypt land too.
The wheel-chaired kid can walk in these world. When one is in one of these worlds can communicate with the kid in the real world and can be seen from the computer screen. These are the things I remember.
Does anyone know the name of this show? The show is a bit old I guess and must have aired long before 2004. The language was English.