‘Mad Men,’ Letterman and 4 more things to watch this week

After seven seasons, it’s time to say goodbye to Don Draper.

The “Mad Men” series finale is one of six shows to watch this week.

1. “Mad Men,” Sunday 9 p.m., AMC

“Mad Men” put AMC on the map, inspired many other shows and won best drama Emmys four years in a row.

And now the end has come.

So what’s in store for Don Draper, the creative director played by Jon Hamm? Will he die? Will he change names? Will he become D.B. Cooper?

Only a few people involved with “Mad Men” know for sure.

On Sunday, we’ll finally find out.

2. ‘Late Show qith David Letterman,” Wednesday 11:35 p.m., CBS

After 33 years, David Letterman wraps up his late-night TV career.

We know that Tom Hanks and Bill Murray will appear on his last few shows, but it’s still unknown what we might expect Wednesday night.

Regardless, the last “Late Show” will be one of the TV events of the year.

3. “The Flash,” Tuesday 8 p.m., The CW

The CW’s top series of all time ends its popular first season with the resolution of a question plaguing the show since day 1: Can Barry Allen go back in time to save his mother’s life?

It ought to be a pulse-pounding finale on Tuesday.

4. “Dancing withthe Stars,” Tuesday 9 p.m., ABC

Three names: Rumer Willis, Riker Lynch and Noah Gallaway.

They’re the trio remaining as we head into the season finale of “Dancing’s” 20th season. The winner will be revealed Tuesday night.

5. “The Following,” Monday 8 p.m., Fox

Kevin Bacon’s suspense-filled crime drama comes to an end on Monday night. Fox pulled the plug this month.

The critically acclaimed comedy ends a great second season this week.