name that show

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there use to be a show on Saturday nights tht I watched it was a spin off of Touched by a Angel and Highway to Heaven.It was bout a family who traveled with their nephew all over and Randy Travis played in it the mother was a teacher an the father was from the show Simon and Simon their was a girl and a boy and the grandmother they travel in an RV and sometimes it would break down on them and so did Tess from Touched by an Angel can some one help me with the name of the show thank all of you who helps me with the name