together we're the kratt brothers. but tonight we're the bat brothers. because we're out looking for bats. maybe we can find one sleeping in its day roost. chris, how about this? an abandoned mine. whoa. martin: come on. let's gear up for a bat cave expedition. oh, yeah. never enter a cave or abandoned mine unless you have years of caving experience. whoa! what an awesome cave. (bats squeaking) shh, chris. listen. squeaking. ah, little brown bats. chris: oh, this bat's starting to wake up. you can tell because he's doing the wake-up shiver where he gets his muscles going, warms up his body and then he'll fly. little brown bats are so tiny. they're less than half the size of a mouse. where are you going, buddy? getting ready to fly? there he goes. chris: oh, imagine if we could hang out with these little brown bats wherever they go and do whatever they do. imagine if we could fly like bats and had all their awesome bat powers. what if? what if? ♪ on adventure with the coolest creatures ♪ ♪ from the oceans to the trees ♪ ♪ the brothers kratt are

a bat 8 8 -- battle between head coaching brothers and a performance from beyonce. but it was the power outage that provided the biggest twist. >>> blackout or not, plenty of fans tuned in for super bowl 47. it was the third most watched beaten only by the giants- patriots and the game in 2010. >>> when the 49ers leave for santa clara next year, it will be the end of an era. phil matier on how candle stick park will be going out with a bang. phil. >> reporter: that's right. as you pointed out, the 49ers are moving on, and so is this slice of san francisco and bay area history. hear is the story. after more than 50 years of sports, san francisco's legendary candle stick park is going to be imploded after next year's football season. much the same way that the former home of the dallas cowboys was demolished two years ago. >> yeah. candle stick has out lived its useful life. >> they plan to build a new shopping mall and condos as the 9ers move south to their new home in santa clara >> no one wants a vacant stadium. >> although it was built for the san francisco giants

but i remember one of the brothers there, he was a lawyer. he was a young, hotshot lawyer down in los angeles, and he's's on wilshire boulevard one morning, driving his old chevrolet, and he sees the car in front of him is a partner in his law firm, and it's a mercedes, and he's stuck in traffic, and he's just thinking, "okay, so i'm going to put 20, 30 years of my life into this effort being a lawyer, so that i can be stuck in traffic 30 years later in a fancier car? that's what i do? he quit the next day he turned in his papers and he went and became a monk. so something is happening, and that's why i wanted to bring this into the experiential dimension. sure. >> the question i have, they are living by themselves in a very enclosed, capsulated world and becoming satisfied religiously and spiritually within themselves, and yet he's talking about the branches and the roots reaching out to touch others. how does he do that if he stays within those walls? >> i have heard that - >> i would like to understand that. if everybody stayed enclosed an