Watch The SpongeBob Musical: Live on Stage! (2019) HD Full Movie Free on SolarMovie. Watch The SpongeBob Musical: Live on Stage! (2019) online free. SpongeBob, Patrick, and Sandy attempt to stop an erupting volcano from destroying Bikini Bottom. Mea...SpongeBob, Patrick, and Sandy attempt to stop an erupting volcano from destroying Bikini Bottom. Meanwhile, Plankton sees this as his time to strike.