<Tr> <Th> 54 </Th> <Td> 21 </Td> <Td> "The Better Part of Valor" </Td> <Td> TBA </Td> <Td> TBA </Td> <Td> March 7, 1979 (1979 - 03 - 07) </Td> </Tr> <Tr> <Td_colspan="6"> Abby finds her relationship with Tommy threatened when she returns to teaching and flunks a failed basketball star, causing Tommy peer - group problems . </Td> </Tr> <Tr> <Th> 55 </Th> <Td> 22 </Td> <Td> "Dads, Daughters, Different Drummers" </Td> <Td> TBA </Td> <Td> TBA </Td> <Td> March 14, 1979 (1979 - 03 - 14) </Td> </Tr> <Tr> <Td_colspan="6"> When Tom forbids Joannie to see her new boyfriend, she runs away from home to be with the handsome young writer she loves . </Td> </Tr>

Who was the mother in eight is enough