WASHINGTON — After two years of silence and one brief public statement, the special counsel, Robert S. Mueller III, will finally sit for prolonged questioning at two House hearings on Wednesday. Though he has expressed reluctance about testifying and has vowed to discuss only the contents of his 448-page investigation report, his appearances are nonetheless highly anticipated. Members of Congress will be trying to find ways to highlight the report’s findings or undermine them.

The Basics

When: The House Judiciary Committee hearing starts at 8:30 a.m. Eastern on Wednesday and is expected to last about three hours, followed by a short break and the House Intelligence Committee hearing at noon for about two hours.

Where: Capitol Hill

Who: The Democratic chairmen of the two committees, Representatives Jerrold Nadler of New York and Adam B. Schiff of California, will set the tone and lead the questioning for both sessions. But Republicans are preparing to try to counter them, led by Representatives Doug Collins of Georgia and Devin Nunes of California, with an assist from Representative Jim Jordan of Ohio, one of the most vocal critics of the Russia investigation.

How to watch: The New York Times will stream Mr. Mueller’s testimony, and our reporters will provide live context and analysis.