compared to his series of spectacular belly flops both on and off the screen 
(ROOT (PP (VBN compared) (PP (IN to) (NP (NP (PRP$ his) (NN series)) (PP (IN of) (NP (NP (JJ spectacular) (NN belly) (NNS flops)) (PP (CC both) (IN on) (CC and) (IN off) (NP (DT the) (NN screen)))))))))
(ROOT (PP (VBN ) (PP (IN ) (NP (NP (PRP$ ) (NN )) (PP (IN ) (NP (NP (JJ ) (NN ) (NNS )) (PP (CC ) (IN ) (CC ) (IN ) (NP (DT ) (NN )))))))))