How Long Should This Be?

Hey all...

I've been wanting to watch this, however I'm being cautious. The only version I've found available is a little over two hours, however the Wiki for this film states that it was originally broadcast as two 90 minute segments... meaning it should be three hours long (unless they were including commercials in the runtime, which would be... odd).

I don't want to end up seeing a 'Once Upon a Time in America' style edited-for-the-American-audience cut-up job, if there is a full version out there.

Thanks in advance, you wonderful, kind people.