These are the dog days of summer. So why not take a trip to a tropical island? Catch the first episodes of two classic television series this week, including Gilligan's Island. But before Bob Denver set out on his three-hour tour, he made a calculated visit to Mayberry. Find out more in this week's highlights.

The Lucy Show "Lucy Goes Into Politics"
Wednesday 10 at 6:30AM | 5:30C

With election season heating up, take a break for a laugh. Lucy and Viv volunteer to assist Mr. Mooney on his campaign to become the city comptroller. How can he lose with Lucy and Viv on his team? For starters, a certain redhead could forget to book any talent for his big campaign rally.

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QUIZ: How well do you remember the first episode of M*A*S*H?

The first episode of M*A*S*H aired on September 17, 1972. The show's brilliant mix of comedy and pathos was there from the get-go, and beloved characters like Hawkeye and Radar arrived fully formed. Yet there are some fascinating details that differentiate the pilot from the rest of the series. Take our quiz to see how well you remember the pilot episode.

Gilligan's Island "Two on a Raft"
Sunday 14 at 2PM | 1C

The seven passengers of the S.S. Minnow land on a deserted island. Gilligan and the Skipper construct a makeshift raft to sail for help, but find more sharks than assistance. See how it all began.

The Andy Griffith Show "Divorce, Mountain Style"
Sunday 14 at 7PM | 6C

Speaking of Gilligan… After his time on Dobie Gillis and before his three-hour tour, Bob Denver briefly appeared on The Andy Griffith Show as Dud Walsh, a feller married into the extremely country Darling clan. He is only seen in this episode, "Divorce, Mountain Style." The casting was a marketing tactic by the network in order get Denver's face in front of more people before their upcoming Gilligan's Island.

The Mary Tyler Moore Show "Two Wrongs Don't Make a Writer"
Sunday 14 at 12AM |  11C

Ted Knight shines in one of the funnier episodes of this brilliant series. Ted Baxter the buffoon fancies himself a writer, which does not bode well for the news when he goes off script. He then joins Mary at a night-school class in creative writing, where he plagiarizes her assignment.