OK, Here are the others I didn't mention that I think are noteable.
"The Odyssey Of Flight 33"(A plane goes back in time)
"Little girl Lost" (Girl is lost in another dimention.)
"The grave"(man chases Pinto Sykes, faces dare)
"Back there" (Man goes back in time to assasination)
"A stop at willougby" (Another back in time)
"The Hitch-Hiker" (woman chased by man)

And many more...

And don't forget--One step Beyond although not Rod Serling

My favorites are A Game Of Pool about a man who wants to beat the best pool player that ever lived--and it turns out he comes back to life to play him. And the other is 22 which deals with a woman who is in the hospital and keeps having a dream that she walks down to the morgue only to find a nurse who comes out of the doors saying--"Room for one more, honey."