Since Frank Spencer's mother died and he married Betty, her mother can't deci...
Some Mothers Do 'Ave 'Em
Season 1 Episode 3: Love Thy Neighbour
When Betty's mother comes to Frank's place, sick, Frank gets sent to call the doctor from the neighbor's house. He's a scriptwriter who already mistrusts the noisy klutz, but once Frank has been inside his life turns into the same kind of...