Coming up, on the fourth season premiere of Chuck...

• Olivia Munn greets Chuck at the door of the new Buy More, and we also meet the establishment's new manager.
• We get a tour of the new facility.
• Chuck uses his skills to diagnose a mission.
• Dolph Lundgren shows up and repeats his most famous line from Rocky IV.

Visit our Chuck spoilers section for more and watch clips of the above-mentioned scenes right now:

[video url="http://www.tvfanatic.com/videos/welcome-back-chuck/" title="Welcome Back, Chuck"] [/video]

[video url="http://www.tvfanatic.com/videos/the-new-buy-more/" title="The New Buy More"] [/video]

[video url="http://www.tvfanatic.com/videos/season-4-clip/" title="Season 4 Clip"] [/video]

[video url="http://www.tvfanatic.com/videos/dolph-lundgren-on-chuck/" title="Dolph Lundgren on Chuck"] [/video]

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.