Hello Sorine,
Yes it does have as a phrasal verb several meanings :
1- to get on T.V , to appear on a show or on radio:
" He got on T.V last night , it was his first show"
2- to get on with someone:
to like someone , have a friendly relationship with them.
" Do you get on with your roomate?"
" Are your neighbors nice, do you get on well with them?"
3- to get on with something :
to continue doing it ( carry on) or to start doing it:
" She got on with her work"
4- Someone is getting on means:
Someone is developing in a positive way ,they are having success with what they are doing.
" Sorine is getting on very well in English. She is learning very quickly"
5- If someone is getting on ( informally) it means someone is getting older.
" He is getting on a bit , he should take more care about his health."
Other expressions :
* to get on board:
to get on board of a train, ship , bus , airplane etc..
* to get on to someone :
to contact them to ask them to do something or give them some information:
" His boss got on to him and described him his job assignment in details."