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In AOL TV's continuing countdown of the best TV shows of each decade, we're back to break down the 1970s, a decade when the cop dramas were less gritty, the families were close-knit and the sitcoms were sprinkled with serious social commentary.

Our list of the best shows of the '70s features many of the best shows of all time (here's looking at you, 'Mary Tyler Moore Show,' 'M*A*S*H' and 'Taxi'). Take a gander and let us know if you agree.

Real-life dads are sometimes preoccupied with their careers and distracted by life's many complications. Happily, on TV, all dads have plenty of quality time to share with their kids, while dispensing encouraging words and occasional tough love.

Maybe that's because TV dads never spend much time at work. (We're pretty sure everyone's fathers would sign up for that!) Step into the wonderful make-believe world where every day is Father's Day, and join us as we count down our 20 favorite TV dads. -- By Jefferson Reid

Can you make the grade?

The beginning of fall will always mean one thing -- back-to-school season.

And in honor of this special time of year, we present you with a pop quiz all about TV schools.

Where did Felicity go to college? Was a baby ever born at Bayside High? Please keep your eyes on your own paper. Pencils out ... you may begin.

Island-dwelling heroes, martini-swilling Ivy Leaguers and autobiography-penning sitcom actors ... we're talking, of course, about TV land's most beloved canine cohorts.

How much do you know about the most memorable prime-time pooches?

Take our quiz and find out! Be warned: it's "ruff" stuff.