Down to Earth

Season 1, Episode 12

Episode Title: Practical Jokes

Overview:

Richard has to go out of town, so he reluctantly leaves Duane as the man of the house. After Duane traps Lissy on her inversion table, a practical joke war between the siblings ensues... Meanwhile, Ethel has to leave to take her Angel Progress Examination. Things go awry when a burglar shows up at the Preston home and the kids assume it's just another practical joke.