. ♪ ♪ >>> katie segal first rocketed into american consciousness as the over-the-top peg bundy on them "married with children." but watching that joyous performance, you may have never guessed her painful past. >> peg, what is it with you? you can change six d batteries in the dark, you can't find a two-ton automobile in broad daylight. >> let's not start talking about who can't find what in the dark. >> reporter: katie segal was the heart beat of "married with children" for 11 years. >> i don't shop that much. >> mom, the stuff you ordered is here. >> oh, goody! >> i thought that's what all wives were like. >> really? >> and i was going to glow up to marry somebody like you? >> oh, you did not. >> i did. >> well, she was kind of hot. although i hope that hasn't been your situation. >> lil bit. >> your nose hairs look somehow longer? >> they moussed them. >> reporter: her first lead tv role, she was a rock chick. >> when they asked me to read for it, i thought, this is perfect for me, because this is so outside the box. we hadn't seen anything so outrageous on television before. >> yo