Full Apollo 13 Mission Control tapes with Director's loop. Hours and hours to listen. Extremely interesting. Switch coffee heater on.
You realize it took nearly an hour before everyone agrees that no, it isn't an instrumentation failure. What happened was so unbelievelable, that they thought to all the other options before. Once there you feel that even Gene Kranz becomes a bit nervous.
There is a lot of tense in Part 2, when all the flight controllers ask EECOM for electrical power he simply can't give.